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Physics questions and answers in February 2022

Hi Tutor, can you please help me with the questions #1-7 please. Thank you so much.   . 4. The electric field created by charge 2, at the point "P" has a magnitude of A. 1.80 x 108 N/C. B....
Simon rode his bicycle at 20.0 km/h [E] for 0.50 h and then 16.0 km [N] in 2.0 h. What was his average speed? [T/I-10] a. What was the distance he travelled? b. What was his total displacement? c. Wha...
The following situations might be described (or well approximated) as one of the 4 types of thermodynamic systems. Choose the correct one (if any). 1. You let bread rise on the counter. 2. A sealed co...
Two particles A and B are released from rest, having equal charges of -8 × 10^6 C ad initially separated from each other by 0.025 m. The masses of particles A and Bare 6.25 × 10^-6 kg and 3.75 × 10...
Sphere A has a charge of +10.0 C. It is brought in contact with a neutral sphere B and then separated. Find the final charges on spheres A and B if a. the spheres have equal radius and b. if the radiu...
1) In Figure 1, the two capacitors are each charged separately by a 10 V and a 20 V battery, respectively. They are then disconnected from the batteries and reconnected so that their positive plates a...
Phenomenon: When your hands are cold, you can try rubbing them together. This can cause them to increase in temperature.   we will be answering the Big Question: Why do our hands warm up when we rub ...
if in the process of rubbing the lenses of the eyeglasses, 6.28 × 10^10 electrons were transferred, a. what is the charge of the lenses and the nylon cloth? b. what is the change in their masses?
Simon rode his bicycle at 20.0 km/h [E] for 0.50 h and then 16.0 km [N] in 2.0 h. [T/I-10] a. What was the distance he travelled? b. What was his total displacement? c. What was his average speed? d. ...
Simon rode his bicycle at 20.0 km/h [E] for 0.50 h and then 16.0 km [N] in 2.0 h. What was his average speed? [T/I-10] a. What was the distance he travelled? b. What was his total displacement? c. Wha...
The energy flow called Power is given by P=IV. [units is Watts (W)] i. Using the simulation, determine whether it is possible to power a light bulb with up to 6 batteries if the resistance of a lightb...
1. What is heat? What causes heat to flow between objects? Give an example illustrating heat flow between objects and explain why that heat is flowing. Cite evidence from the Energy Interaction Model....
Simon rode his bicycle at 20.0 km/h [E] for 0.50 h and then 16.0 km [N] in 2.0 h. What was his average speed? [T/I-10] a. What was the distance he travelled? b. What was his total displacement? c. Wha...
6) Determine the currents and charge on the capacitor in Figure 6.  . Fig6 30of
Part (c) What is the magnitude of the acceleration, in m/sz? Numeric : A numeric value is expected and not an expression. a = Part (d) What angle, in degrees, does the acceleration make with respect t...
4)In Figure 4,  determine R so that the total power dissipated in the circuit is 24 Watts.
1) Do the flight time and range of a projectile depend on its mass ? Why or why not ?
What is the electric potential at r = a ?  What is the electric potential at r = b ?  What is the electric potential at r = c ? What is the electric potential at r = d ?. Q a -q C Two concentric sph...
 5)Determine the currents in Figure 5.. 252 IS LOVI in OV
 . Question 9 of 10 < A generator at one end of a very long string creates a wave given by y= (5.46 cm) cos[(x/2)(4.02 mix + 6.52 s-1t)] and a generator at the other end creates the wave y= (5.46 ...
Section B (Vector Addition) Instruction: Find the Resultant Vector (Force) for the following problems using parallelogram and polygon method if applicable. ( indicate what method you used above)    ...
4)In Figure 4,  determine R so that the total power dissipated in the circuit is 24 Watts. 
 . Question50f10 < > 0.02/1 '5 Two sinusoidal waves with the same amplitude of 9.13 mm and the same wavelength travel together along a string that is stretched along an x axis. Their resultan...
3) Determine the equivalent resistance and individual currents. in the circuit  in Figure 3.. Fig ? Is 40
 Determine the equivalent capacitance of the current in Figure 2, and the charges on the individual capacitors 
A compound used as an additive for gasoline to help prevent engine knock shows the percentage composition: T1559; chlorine. 24.27% carbon, and the remainder hydrogen. The molar mass of this compound w...
The 190 capacitors are each charged separately by a 10 V and a 20 V battery, respectively. They are then disconnected from the hatteries and reconnected so that their positive plates are connected to ...
 . 5. Find the direction and magnitude ofthe net force exerted on the point charge q3 in the figure. Let q=+2.4uC and d=30cm Complete the table to aid your answer. 2 q, I 4.9; 1 13 ' '33! $- ——...
    link to data https://docs.google.com/spreadsheets/d/1RkyS60ia27v5qujedmB6YlCfj6bcSn2CPwQiMzqrIKI/edit?usp=sharing video  link if you having trouble    https://youtu.be/zgO5oOcXCYg Please don'...
 . Question 4 of 10 < > 0.01 / 1 Your answer is partially correct. A sinusoidal transverse wave is traveling along a string in the negative direction of an x axis. The figure shows a plot of th...
 A 90 kg person is riding a 60 kg iceboat on a frictionless, horizontal surface at 6 m/s. Air resistance and wind are negligible (the sail is furled). The person jumps off the back of the boat and la...
how did he/she get the experimental acceleration and the % error.. Height Time of Travel (s) Acceleration (m/s?) of Track sin 0 % (cm) Trial 1 Trial 2 Trial 3 Theoretic Experime error Average al ntal ...
III. More Vector Addition a. Set the rods as shown: Vector a has components x, and y,. Vector b has components x, and y 2- Measure X,, X2, y, and y, with a meter stick X = x, + X, = 15 cos 30 1- 15 co...
please help me, i already know how to solve the theoretical acceleration with the given formula. i want to know what is the formula of experimental acceleration and how to solve it.. Theore tical Acce...
Three identical charges are arranged in an equilateral triangle with sides 2.5 cm.   If each charge has a charge q = 4.75 µC how much energy was required to move the last charge in place? If each ch...
I believe that in my current, this is meant to be solved using torque counter clockwise is equal to torque clockwise, and I got as far as plugging in the numbers (50gr=100g[0.5]). I know that these nu...
please include the solutions     From number 17 After the object reaches the ground, the object continues to move downwards, embedding itself 0.100 m deep in the muddy ground before finally coming t...
Directions: Provide the step-by-step solutions to the following problems. Write your answer on the back of this page. (2 items x 10 points) Problem: Given below are the distance graphs of a very large...
A small weight hangs from a string attached to the rearview mirror of a car accelerating at the rate of 1.03 m/s 2 . What angle does the string make with the vertical?
1. Define magnetic field.   2. From equation: Suggest three (3) ways to increase the magnitude of the magnetic field formed by the coil.   3. Draw the magnetic field lines for a magnetic bar and a s...
Hi, I am struggling with the last part of my physics 2 lab. I attached the questions as well as a diagram of the points and measurements as they were laid out in the lab. . Lab total of 3 unique circ...
 . 1. A neutral object A is placed at a distance r='l cm away from a charge B of +2mC. a) What is the electric field at point A? b) What is the electric force on object A? c) A is replaced by a ch...
 . There are two charged balls separated by a distance of .5 meters. One ball has a charge of -4/C and the other a charge of -6/C. Each of the balls has a mass of .25 kg. The first ball is fixed to t...
 . Question 2 1 pts What is the current (in amperes) flowing through the resistor R2 in the given circuit if emf E = 7.9 volts, R = 3 ohms, R1 = 4.0 ohms and R2 = 6.0 ohms? R2. Question 1 1 pts What...
7. [-/2 Points] DETAILS OBINPHYS8 7.P.004. MY NOTES ASK YOU During 58 seconds of use, 230 C of charge flow through a microwave oven. Compute the size of the electric current. A Need Help? Read It
9. [-/2 Points] DETAILS OBINPHYS8 7.P.008. MY NOTES A current of 11.8 A flows through an electric heater operating on 220 V. What is the heater's resistance? Need Help? Read It
5. Tal como se muestra en la figura, las paredes verticales de un tanque que almacena agua tienen la forma de un triangulo equilatero con longitud de 2 m cada lado. Encuentro la fuerza del fluido sobr...
11. [0/2 Points] DETAILS PREVIOUS ANSWERS OBINPHYS8 7.P.016. MY NOTES ASK YOUR TEACHER An electric train operates on 605 V. What is its power consumption when the current flowing through the train's m...
14. [-/2 Points] DETAILS OBINPHYS8 7.P.031. MY NOTES ASK YOUR TEACHER The resistance of an electric heater is 30 0 when connected to 120 V. How much energy does it use during 20 min of operation? Need...
a. Calcule la caida de presion, en Pascales, para el sistema b. Calcule la potencia hidraulica, en kW, necesaria para mover el fluido c. Seleccione una bomba que cumpla con las condiciones d. Calcule ...
Please help with the following question. How do you make M the subject of the equation. Subject:Physics Tooic:Magnetic Fields. Botan 0 = Ho M
Homework # 23 - Newton's Second Law of Motion Handout Problems: 1. It takes a force of 50 N to give a body an acceleration of 10 m/s'. What is the mass of the body? 2. A car has a mass of 1600 kg. If ...
Short track speed skating (MATLAB) Measure the record of a player who has passed the finish line through conditions in MATLAB. The ice condition of the ice rink is -5.5°C (22.1°F). A player weighs 5...
Table 1.3 Height vs. Time Height Time of Travel (s) Value of g (cm) Trial 1 Trial 2 Trial 3 Trial 4 (m/s?) per Average height 80 0.3659 0.3591 0.3737 0.3662 11.93 90 0.3965 0.3934 0.3896 0.3932 11.64 ...
Table 1.2 Acceleration versus sin 0 (Cart with Additional Mass) Height Time of Travel (s) Acceleration (m/s?) sin 0 % of Track (cm) Trial 1 Trial 2 Trial Theoretic Experiment err 3 Average or al a 30 ...
 . 6. A 16 g bullet traveling at 495 m/s strikes a 1.2 kg block of wood that is balanced on a table edge 0.9 m above ground (see figure). If the bullet buries itself in the block, find the distance ...
 . 6. A 16 g bullet traveling at 495 m/s strikes a 1.2 kg block of wood that is balanced on a table edge 0.9 m above ground (see figure). If the bullet buries itself in the block, find the distance D...
 . 7. A hockey puck of mass 0.41 kg is shot east at 2.90 m/s strikes a second puck, initially at rest, of mass 0.55 kg. As a result of the collision, the first puck is deflected at an angle of 36° s...
S4: How are the interactions involving charged objects similar to those involving magnets? How are they different? Does this suggest that static electric interactions and magnetic interactions are rea...
A field hockey player can accelerate at 2.1 m/s^2. If she starts from rest, how long will it take her to run 22 meters?   
Can you explain this to me in detail about Coulomb's Law?  . Two charged spheres are hanging from two planes by an insulating string. One of the spheres has a charge of6 C, and the other has a charge...
 . 4. If you wanted to cause the potential difference across the capacitor to reach its final value more quickly after the switch is moved to position A (without changing the potential difference acr...
S2. Because of the way magnets interact with each other, scientists sometimes say a magnet is 'two-ended', whereas they refer to objects with a static electric charge as being 'one ended'. What do you...
S3. Do you think that whatever causes an object to be magnetic lies on its surface, or inside it? What about whatever causes an object to have a static electric charge? What evidence supports your thi...
charge instead. Which, if either, of these ideas would work for their purposes? Explain your reasoning.
Did rubbing the charged tape all over seem to decrease its static electric influence noticeably?
Did rubbing the magnet all over seem to decrease its magnetic influence noticeably?
26 5 points B A 50.0 kg block A is placed on a horizontal surface and then attached by a rope over a pulley to a second 80.0kg block B that is hanging from the end of the rope. The force of friction b...
U 5.—=n: 6&1 III—53b 7 U'_ a2 III—5:62 327% ' U _ b3 924:2: 'E£'_ b2 10.%=1+fii 010 (part 1 of 6) 10.0 points A parallel-plate capacitor has a plate area of 98 cm2 and a plate separation...
An 95.0kg astronaut is in orbit 4.25x10^5 m above the Earth's surface. Mass of Earth = 5.9723x10^24kg Radius of Earth = 6.378x10^6m A. What is the radius of orbit? B. What is the weight of the astrona...
5. Use the result from your curve fit to find a value for your measured capacitance. Explain how you identified your value for capacitance from the curve fit. 6. Note that the capacitance of the capac...
A ball is thrown straight up from ground level. It passes a 2-m-high window. The bottom of the window is 7.5 m off the ground. The that elapses from when the ball passes the bottom of the window on th...
7. Knock the magnet over onto one of its faces. Q2: Is there any order to the direction of the compass needles now? Please explain.        
A model airplane has a mass of 0.900 kg and moves at a constant speed on a circle that is parallel to the ground. Without a lift force acting on the wings to keep the guideline level, it slopes downwa...
How do you Balance the equation and show work?. is each) 1. NaBr + CaF2 - NaF + CaBrz
B ION In both systems an applied force of 10 N causes Block A to accelerate. The acceleration of Block A is 3). a) the same in both systems. b) greater in the one-block system. c) greater in the two-b...
T R W A 15 kg object is pulled to the left by a tension of 40. N applied at 30 above the horizontal. A second force R is applied such that the object moves at a constant velocity. What is the work don...
One day, Arnold, an astronaut, leaves his twin brother, Albert in order to join a space exploration project that takes the time equivalent 30 years on Earth to accomplish. Both Arnold and Albert are 2...
need fast no need solution, will rate answer. The magnitude of the force between two charges of +15x10^-8 C each if 2 points they are 20cm apart in air is O 4.07x10^-4 N O 5.06x10^-3 N O 6.05x10*-2 N ...
If 1kg of matter were converted, to energy, how many joules of energy would be produced? Kindly show formula, solution, and explanation. 
What is the frequency, f,   of an electromagnetic wave whose wavelength y =400nm? (1nm=1 nanometer = 10-9 m ). Kindly show formula, solution, and explanation.
need fast no need solution, will rate answer. The charges are indicated in the figure. It is given that q1=+4.5x10*-10 C. q2=+5.2x10*-6C, q3=-3.8x10*-6 C. d12=0.15m, and d13=0.20m. The direction of F3...
need fast no need solution, will rate answer. Given closed surfaces a, b, c, and d as shown. Note that q1=+3C, q2=+1C, q3=-5C, and q4=-9C. d 93 b Calculate the electric flux for surface c. 2 points O ...
 . One type of toy car contains a spring that is compressed as the wheels are rolled backward along a surface. The spring remains compressed until the wheels are freed and the car is allowed to roll ...
LOOKING BACK Solve the following problems. Show your solution and BOX your final answer. 1. What is the potential energy of a 5 kg vase on the balcony 2.5 m above the ground? 2. A box was pushed with ...
Problem Solving. Show your pertinent solution and BOX your final answer. 1. An infinite plane sheet of charge produces an electric field with a magnitude of 4.50 N/C. What must be its charge per unit ...
A long straight telephone cable has a charge per unit length of  λ .  The cable stretches along the  x axis from - a to  a .  Find the electric field along the  y  axis by first drawing a pict...
A washing machine has a lightweight tub spinning at 100 revolutions per minute with wet clothes having containing 2.7 kg of water.  Figuring that the clothes and the water are already at the edge of ...
2 A beam BC and a cable AB support a weight of 1200lbs. as shown below. The beam weighs 300 Ibs. Calculate the tensions in the cable and the reactions of the support C. B 12,000lb 30- 45 A C
CLASSMate Date Page A Flow enters Junction X of the Loop Show in figure. Determine the flow acte in each section if the flow at Junction X is 500 L/s , 80 y's is withdadan cot Junction y, 520 4/S - at...
A weight lifter lifts a set of weights a vertical distance of 2.00 m. If a constant net force of 350 N is exerted on the weights, what is the net work done on the weights? Watt is the unit of Two stud...
You are attempting to set a world record for maximum speed on your bicycle. Describe 4 things you could do to minimize drag forces and optimize your attempt for glory!
What is the acceleration (in m/s2) of a car that moves from 4 to 9 m/s in 8 s? How long (in s) will be required for a car to go from a speed of 25 m/s to a speed of 75 m/s if the acceleration is 4 m/s...
What is the resulting acceleration (in m/s2) when an unbalanced force of 48 N is applied to a 8 kg object? How far away (in m) was a lightning strike if thunder is heard 9.93 seconds after seeing the ...
Which location would require the greatest mass if the weight of an object is the same in each place? Mars Jupiter Earth Earth's Moon What was the average speed in km/h of a car that travels 656 km in ...
-Which of the following involves an unbalanced force? a force acting between two objects results in the acceleration of on a stationary book exerts a force on a table a person pushes on a table that d...
If you are driving forward and suddenly break, what would happen to your body and which law does that demonstrate? A truck and a trailer weigh 4000 kg EACH. In order to accelerate at 2 m/s2, how much ...
4. A uniform ladder of mass m = 40 kg and length / =10 m is leaned against a vertical wall. The foot of the ladder is d=1.2 m from the bottom of the wall and does not move. (5 marks) (a) What is the f...
A 126 g baseball has a velocity of 31 m/s. What is its kinetic energy in J? A 142 lb student runs up a stairway to a classroom 14 ft above ground level in 19 s. What was the average power output in hp...
A 56 kg student runs up a 3.8 m high stairway in a time of 3 seconds. How many watts of power did she develop? What is the kinetic energy (in Joules) of a 3,330 kg car moving at 95 km/h? What is the g...
A force of 217 N is needed to push a table across a level classroom floor for a distance of 2 m. How much work was done (in Joules) on the table? An 860 N box is pushed across a level floor for a dist...
Light from a 532 nm laser is shone through two slits that are 0.020 mm wide and 0.10 mm apart on a screen 1.2 m away. How far apart are the bright interference fringes? How wide is the central diffrac...
3. A stopper with a mass of 0.25 kg is whirled clockwise around in a horizontal circle on the end of a 1.0 m long string with a constant speed of 2.5 m/s. Include a free-body diagram for each of the f...
Drift vs. Diffusion - Some charged proteins have diffusion coefficient 𝐷 and are located at the entrance of a microchannel of length ℓ, well-approximated by a 1D channel. Because the proteins are...
 . 58. |||| BIO INT One way to sterilize food products such as meats and poultry is to irradiate them with a beam of high-energy electrons. In one food plant, the electrons in the beam have an energy...
DATA h = 1.00 meters (Vertical distance from the ball in the gun to the floor) d = 10 cm = 0.10 m (separation of the photogates) tave = 0.020 sec (time for projectile to cross the photogates) Xavg = 2...
DATA h = 1.00 meters (Vertical distance from the ball in the gun to the floor) d = 10 cm = 0.10 m (separation of the photogates) taye = 0.020 sec (time for projectile to cross the photogates) Xavg = 2...
Physics. A force of 217 N is needed to push a table across a level classroom floor for a distance of 2 m. How much work was done (in Joules) on the table?
 . Section A (Unit Conversion & Analysis) Instruction: Solve the following problem. Please write the problem, given, conversion factor, and computation for each problem. Your output must be handw...
 . P-1) You are cooking breakfast for yourself and a friend using a 1,200-W waffle iron and a 500-W coffee maker. Usually, you operate these appliances from a 110-V outlet for 0.500 hour each day. (a...
 . 46. ||| INT The hot dog cooker described in the chapter heats hot dogs by connecting them to 120 V household electricity. A typical hot dog has a mass of 60 g and a resistance of 150 $2. How long ...
This is about Reflection of Sound. Can you show to me what will be the graph looks like?. Sonar uses the echoes of refluxed sound waves to chart the bottom of the ocean'Dividing the time that the ref...
An ion (an atom with electrons added or removed) has 2 more electrons than protons. It starts at a point where the electric potential is +20 V and its intial kinetic energy is 100 eV. What is the elec...
part 1 link http://www.walter-fendt.de/html5/phen/magneticfieldbar_en.htm part 2 link http://www.thephysicsaviary.com/Physics/Programs/Labs/FieldFromWire/index.html part 3 link  https://phet.colorado...
The small sphere from part (c) is then released. Calculate its speed when it is very far from the two 17 uC charges
Calculate the electric potential at the point in (a).
Calculate the electric field at the midpoint between two identical charges (Q=17 uC), separated by a distance of 43 cm.
A small stationary 2 g sphere, with charge 15 uC is located very far away from the two 17 JC charges. Calculate the work required to bring the 15 uC charge to a point midway between the two 17 uC char...
How is the concept "velocity" defined in physics? If a light bulb is lit on a pole and seen by a person who is standing still (relative to the pole) and another who is moving very fast towards the pol...
What is the surface charge density σ 1 of the leftmost face (see the above figure) of the conducting slab?. 01 -0 -O In the above diagram a neutral rectangular conducting slab lies between four infin...
Estimate the electric field magnitude at point B: Estimate the direction of the electric field vector at point B. Select from the following options:  
Estimate the electric field magnitude at point B:  . 12 V . 10 V . 10 V . 8V. 8V . 8V . 8v. 8 V . 10 V . 10V 8v . 8V . 8V . 6V . 6V. 6V.- A . BO a = 1 mm 10 V . 8V . 8V . 8V . 6V . 6V . 5V. 5V
1. Using the projectile motion equations, show that if a projectile is launched horizontally a vertical distance h above the floor and it lands a horizontal distance d from the launch point, then the ...
Bringing together two charges which were initially infinetely far away to a separation of 1.0 m requires 20 J of work. Bringing the same charges from infinitely far away to a separation of 0.5 m requi...
Indicate the initial direction of the deflection of the charged particles as they enter the magnetic fields as shown in Figure 29.31. . a (a) (b) X7 (c) Bright (d) BAE 15 -O a + (e) Bout (f) Bright b ...
Part A: What is speed in cm/s? Radius=10.5 x 8cm Time from A to D: 7 sec.  Part B. What is the magnitude of the average velocity in cm/s? Radius=10.5 x 9cm Time from A to D: 7 sec.     . A toy car...
28.22. Two long, parallel transmission lines, 40.0 cm apart, carry a 25.0-A and 75.0-A currents. Find all locations where the net mag- . Im fromZSA netic field of the two wires is zero if these curren...
big as the red object? Explain. What direction are the gravitational forces acting on the objects? uantitative Observations 200 Kg When the simulation first starts, the objects the humanoids are holdi...
Quantitative Observations 1. When the simulation first starts, the objects the humanoids are holding are 50 kg (blue) mass one and 200 kg (red) mass two. On your paper, write the force in Newton's exp...
HW on Series Problems R,= 12 0 V-= 120 V 1,= R,= 22 02 11 V- 35 V V,- 120 V R V,= 25 V RX 30 0
13. The figure shows a pl-diagram for 0.0040 mole of hydrogen p (atm) gas. The temperature of the gas does not change during segment bc. 2.0 b (a) What volume does this gas occupy at point c? (b ) Fin...
A far-sighted person needs lenses of power +2.0 D to see objects that are a close as 1/4 m away from her. What is her near point? Answer is 0.5 m..... Please explain why!
16. A vertical cylinder of radius r contains a quantity of ideal gas and is fitted with a piston with mass m that is free to move. The piston and the walls of the cylinder are frictionless, and the en...
11. On a warm summer day, a large mass of air (at atmospheric pressure) is heated by the ground to a temperature of 27 C and then begins to rise through the cooler surrounding air. (a) This can be tre...
When an object of charge -1 mC is placed in an electric field of magnitude 10 3  N/C that points to the right, it experiences an electric force of    (a) 1 N to the right (b) 10 3 to the right (c)...
8. The process abc shown in the pl-diagram involves 0.0175 mole p(atm) of an ideal gas. 0.60 (a) What was the lowest temperature the gas reached in this b process? Where did it occur? 0.40 ( b ) How m...
QUESTION 14 A projectile is launched from ground level at horizontal speed of Vx0 = 40 m/s and vertical speed of Vy0= 40 m/s. What is the magnitude of the initial velocity of the projectile vo? 20 m/s...
Problem 4: An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 7 N, F2 = 9 N, and F3 = 1 N. When answering the questions below, assume the ...
A block is pushed at an angle downwards of 40 degrees. The coefficient of static friction between the block and the floor is 0.55. Find the maximum force (F) that the block can be applied to the block...
Only answer number 8 please. What is your MASS, in kg? 56 kg What is your MASS - MASS OF THE BAG, in kg.? * 56 kg (my mass)+6 kn(mass of the bag)= 62k[ 1. Let's say the force needed to push you is 185...
Four standing waves, labeled A through D, are described below. Wave A: first harmonic; pipe closed at one end; length = 1 m Wave B: first harmonic; pipe open at both ends; length = 1 m Wave C: second ...
Answer question 10 only please. What is your MASS, in kg? * 56 kg What is your MASS , MASS OF THE BAG, In kg.? * 56 kg (my mass]+h ky(mass of the bag) = 62kg 1. Let's say the force needed to push you ...
  From number 17 After the object reaches the ground, the object continues to move downwards, embedding itself 0.100 m deep in the muddy ground before finally coming to rest. Assume that, while movin...
Part Three: Analyzing Non-Linear Collisions 1. A car with a mass of 1400 kg is westbound at 50 km/h. It collides at an intersection with a northbound truck having a mass of 2000 kg and travelling at 4...
Hello, can anyone please help me with these questions: A 10 kg pulley with a 25 cm radius is being accelerated from rest by a 5 kg block (A) hanging by a cable from the pulley. A- What is the linear a...
10. This is called gauge pressure and is how most pressure gauges work. Before now, all the gauges you used were set to tell you the absolute pressure. Write a formula that converts absolute pressure ...
On a summer day in Houston, the temperature is  30°C and the relative humidity is 75  percent. (a) What is the humidity?  answer___________kg/m 3  
A truck starts from rest and accelerates at 1m/s2. Ten seconds later, a car accelerates from rest at the same point with an acceleration of 2m/s2. Where and when does the car catch the truck?  
3. At the 2013 World Weightlifting Championships, Tatiana Kashirina set the world record for the Women's Clean and Jerk using an average force of 1900N to lift the weight 2.2 meters, how much work was...
The following situations might be described (or well approximated) as one of the 4 types of thermodynamic systems. Choose the correct one (if any). 1. You let bread rise on the counter. 2. A sealed co...
Can you answer 12 and 13 please (it is two parts to the same question)? Thanks!. 12. In the diagram at right, the dashed lines represent equipotential surfaces in an electric field. The angle 0 = 40 a...
 . =l—l—l I am kicking a ball in the soccer match. My coach wants me to make the ball accelerate faster. What are two things I could do to make this happen? Why would this work? (I can change the...
 . Class Management | Help 2-D Motion Begin Date: 2114/2022 12:01:00 AM -- Due Dale: 2/28/2022 11:59:00 PM End Date: 2f28/2022 11:59:00 PM (10%) Problem 2: The position of a particle is given by the ...
Light from a 532 nm laser is shone through two slits that are 0.020 mm wide and 0.10 mm apart on a screen 1.2 m away. How far apart are the bright interference fringes? How wide is the central diffrac...
Using the data below of two different parallel circuits, and in just a few sentences, how is the current through each resistor related to the total current through the circuit?  . Three Equal Resisto...
Using the data below of two different series circuits, and in just a few sentences, how does the value of the current change throughout the circuit? In other words, why hasn't the current changed and ...
Find the minimum value for the coefficient of static friction required to keep the 60kg block from slipping.    . 60kg 40kg
  A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. As the drawing shows, one person hits the water 5.00 m ...
  You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, it moves a distance of 1.00 m in a time of 1.90 s. The readout on the display indic...
A simple DC motor is shown below. In this motor, the armature {the part that spins) consists of a single loop {coil}. oou noercloclcwise a} Using your knowledge of how DC motors work, state the direct...
A pendulum consists of a small object hanging from the ceiling at the end of a string of negligible mass. The string has a length of 0.76 m. With the string hanging vertically, the object is given a...
Using the data below of two different parallel circuits and in just a few sentences, how is the potential drop across each resistor related to the potential drop across all three resistors? Why hasn't...
A small lead ball, attached to a 1.00-m rope, is being whirled in a circle that lies in the vertical plane. The ball is whirled at a constant rate of three revolutions per second and is released on th...
  The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are relea...
  The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 4.2 m/s. Neglect nonconservative forces, such as friction and air resistance, and find the height h of...
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobil...
Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobil...
Instrucciones: Del circuito mostrado encuentro la corriente en cada resistor, exponga su resultado con uso de prefijos del SI. C R3 Datos E1 83 E2 E1 = 70 V R1 = 2 kQ 82 = 60 V R2 = 3 kQ 83 = 80 V R3 ...
When a charged particle moves in a region with an electric field, it always follows the electric field lines. (Hint: To help you answer this question, think about an electron orbiting a proton.) The a...
A race car speeds around the curved end of a racetrack. What provides the centripetal force necessary for the car to move in the curved path? a)  The gravitation force of the earth. b) The air resist...
 . The absorption coefficient has been defined as a( w) = 20K/c, where & is the imaginary part of the index of refraction. Show that for a dilute medium and near resonance, the absorption coeffic...
A. What are the forces acting on the baseball in his glove? B. What is the acceleration of the baseball?   C. What is the magnitude and direction of the force applied by the catcher to the baseball t...
An 80 kg skateboarder going 10 m / s is launched nearly vertically off a ramp as shown. Approximately how high does he go in meters? You should be able to solve this using energy related formulas inst...
A 10 kg rock is flying through the air with a velocity of 15 m / s. What is the kinetic energy of the rock in joules?
A 10.0 kg crate is at rest on a ramp which is at an angle of 25 degrees from the horizontal. The ramp is 7.50 m long. If the crate does not slip, what is the minimum possible value for the coefficient...
Calculate the acceleration opposite to the motion of a snow boarder going up a 7.00 slope, assuming the coefficient of kinetic friction for waxed wood on wet snow is 0.14. Be careful to consider the f...
6. What is the relationship between depth and pressure? a. As increases, then increases. Why do you think this happens? b. What is the physical meaning of the slope? c. What is the physical meaning of...
1) Ms. MacDonald's 1200 kg Hyundai is moving to the right with a speed of 22 m/s. The Hyundai strikes an SUV which is at rest and has a mass of 4200 kg. Their bumpers lock they move off together. a) D...
An 80 kg skateboarder going 10 m / s is launched nearly vertically off a ramp as shown. Approximately how high does he go in meters? You should be able to solve this using energy related formulas inst...
Review Lorentz's electron-oscillator model of atom and answer the following questions.  (a) How is an atom modeled? (b) How do the natural frequencies relate to the dispersion curve for a material? ...
General physics. 7) The mass of a curling stone is approximately 19 kg. If a curler releases the stone just before the "hog line" with a velocity of 5 m/s and collides head-on with an oppone...
Can someone explain how we know A is constant in part A and C and why in Part B the magnetic flux is constant? Please help me solve these problems. Thank you so much!. Problem with Induction #1 O P2 I...
A lion is hunting a zebra. The lion sneaks up on the prey and begins to run towards the zebra as it approaches is 50 meters between the animals. At the same time, the zebra begins to run away from the...
Missing answers.. Height Angle (0) Total Kinematical Standard Dynamical Net Force on (mm) descending Acceleration deviation Acceleration cart mass (m/s2) (m/s2) (m/s2) (newton) (kg) 0 0.010122 0.47053...
Case 2: Object Between F and 2F 2F Object F 2F . Image is beyond Case 3. Object Between E and lens
Fastest answer please. Balloon Pendulum An ebonite rod with a negative charge is brought near a small balloon suspended from a support by an insulated thread, as shown in the diagram. 4 Negatively Cha...
 . 4. a) Trouver la valeur de R en sachant que le courant fourni par la f.e.m. ideale augmente d'un facteur 2 lorsqu'on ferme le commutateur de la figure ci-dessous. R R b) Trouver la valeur de Rint ...
 . You measure a brick of nickel and find it has a depth of 40.0 cm and a width of 40.0 cm. The distance from the stationary bottom and the top of the block (i.e. the height) is 82.0 cm. A shearing f...
 . Question 5 (4 points) You are observing two people carrying groceries. The smaller person has a mass of 40.0 kg and can carry, at most, 70.0 kg of groceries. The larger person can carry, at most, ...
The following situations might be described (or well approximated) as one of the 4 types of thermodynamic systems. Choose the correct one (if any). 1. You let bread rise on the counter. 2. A sealed co...
please state the answer choices that are correct. 5. Two football players with a mass of 75 kkg and 100 ig run directly toward each other with speeds of 60 m/s and 8.0 m/s respectively. If the two pla...
Below are Pressure-Volume diagrams of thermodynamic systems. Identify which diagram shows an adiabatic, isochoric, isothermal, and isobaric thermodynamic process.  . constant pressure horizontal PV g...
PLEASE HELP ASAPP    . Question 1 Your collection of rocks shaped as sports equipment includes two similarly shaped balls. You note that the larger ball is about 6 times heavier than the smaller bal...
Answer the 2 problems and show your solution. 1. A gas is heated from 263.0 K to 298.0 K and the volume is increased from 24.0 liters to 35.0 liters by moving a large piston within a cylinder. If the ...
PLEASE HELP ASAPP    . Question 4 You measure a brick of nickel and find it has a depth of 65.0 cm and a width of 65.0 cm. The distance from the stationary bottom and the top of the block (Le. the h...
PLEASE HELP ASAPP    . Question 4 You measure a brick of nickel and find it has a depth of 65.0 cm and a width of 65.0 cm. The distance from the stationary bottom and the top of the block (i.e. the ...
PLEASE HELP ASAPP    . Question 51 You are observing two people carrying groceries. The smaller person has a mass of 40.0 kg and can carry, at most, 70.0 kg of groceries. The larger person can carry...
PLEASE HELP ASAPP    . Question 51 You are observing two people carrying groceries. The smaller person has a mass of 40.0 kg and can carry, at most, 70.0 kg of groceries. The larger person can carry...
29/ Point charge, A, is charged positively. Another point charge, B, exerts an attractive force on charge A. It can be assumed that the electric field created by charge B is:   a.directed away from B...