HP #19:
1)Write a 450 word essay ( 3 pages approximately) about Newton's 1st citing several
sources and note how different sources approach the topic. Work should include
some diagrams and examples of either your own making, or from the sources that
you a
HP #16:
You need to know that the Ferris wheel is turning clockwise (in same direction as
clock hands) and the speed of each rider is 6.0 m/s.
HP #17:
For part c) : To determine the initial velocity that will make the ball go through the
middle of the hoo
HP #13:
Add the following two vectors three different ways and then check to see if the
answers are all close to each other. 1st method is graphic method using accurate
diagram 2nd method is using law of cosines and law of sines.3rd method is using
compon
HP#2:
1) Find 7 objects in your house and estimate the length of the objects without using
any equipment. Try to use some short objects and some longer ones. Then
measure the lengths of each item and determine how close you came, for each item)
by doing a
HP #10 When we move to chapter 3 it will become important that students know how to draw
lengths and angles accurately (since we will be making diagrams in two dimensions [2D]). So
lets practice those skills.
1) Practice drawing lengths accurately without
ntroduction to Physics
Physics is a quantitative science, based on careful measurements
of quantities such as mass, length, and time. In the measurement
shown here, a baby elephant is found to have a mass of approximately
425 kilograms, corresponding to a
Why does ice melt ? (outside of fridge)
Why does a solid ball roll down a hill faster than a battery
?
Where does light come from ?
Why does a hot electric stove glow red ?
How does light get from one place to another ?
Why dont atoms collapse ?
Why are s
PI is .51.
fPLh. tutti[k ittfftmnmtf thitauetif Ferrite-e vet'th Jpeei;
their: elevator goes upward 3t} meters. then '
downward 23 metats and then upward 11 meters.
:E
U
1. - consider the motion of an insect moving {-
along the s ELKIE according to the
A coordinate system is such that it has the +x direction going rightward.
A person begins at the coordinate x = -20 meters and walks 25 meters right, and then after that 35
meters left and then after that 40.0 meters right. The entire motion takes 30 seco
HP#8:
The difference between instantaneous velocity and instantaneous acceleration is
critical for your understanding of motion.
Write a 300 words essay, with at least 3 "real-life" examples that highlights and
explains the difference and relationship bet
In class activity 6
1. A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in
a direction
below the horizontal. A 48.0-N frictional force opposes the motion of the cart.
(a) What is the magnitude of the forc
In class activity 6
1. A person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in
a direction
below the horizontal. A 48.0-N frictional force opposes the motion of the cart.
(a) What is the magnitude of the forc
Two horses are pulling a barge with mass 2.00 x 103 kg along a canal. The
cable connected to the 1st horse makes an angle q1=30o with respect to the
canal, while the cable connected to the 2nd horse makes an angle q2 = -45o.
Find the acceleration of the b
In class practice
1. A bike racer completed a 20.0 kilometer race. She pedaled the first 5.0 kilometers with
an average speed of 20.0 km/hr. She pedaled the next 5.0 kilometers (which were uphill)
at an average speed of 10.0 km/hr. She completed the next
1. Two horses are pulling a barge with mass 2.00 x 103 kg along a canal. The cable connected to the 1st
horse makes an angle 1=30o with respect to the canal, while the cable connected to the 2nd horse
makes an angle 2 = -45o. Find the acceleration of the
Projectile Motion Exercises
1. A rock is thrown with an initial vertical velocity component of 30 m/s and an initial horizontal velocity
component of 40 m/s. Assuming the launch and landing heights are the same, how long will the rock be
in the air? How f
1.
Find the tension in each cable supporting the 600-N man shown in the figure.
Draw Free-body diagram at the point that three cable connected together. And label
three tension force as T1, T2, and T3.
T1 is in negative y-direction. T2 is in negative x-di
1) a) Convert the acceleration 72 meters/houriminute South into rnlsls.
._ 72 EL 2 2 :- J
7C3 (2.6003) 60: 2' 3600850) $1 IDDQSB) 2060
7- .00033 4&1
2) Determine if the equation v = (tzasz)2 is dimensionally correct. Here v is velocity, 3 is
a
1) A displacement has a magnitude of 60.0 meters at an angle of 70 degrees below the
+ x axis. What is the vector in unit vector (component ) representation ?
Tr
~r ._ , A. _ A
> 755 +20 >6 6, SK 7
S {L0 4;) (DIZO 2 336/0 Slaw" GLgO
3({3 5/60 361
Picture the Problem: The force vectors acting on blocks A and B as
well as the rope knot are shown in the diagram at right.
Strategy: Write Newtons Second Law for blocks A and B._ as well as
Newtons Second Law for the rope knot. In all cases the accelera
Physics 50 Lecture Final Review
1. MOTION IN 1-D
a) Understand the terms and concepts required to describe the motion of a particle
moving in one dimension.
b) Know how to use the kinematic equations to describe the motion of an object moving
with constan