9/12/2017
MasteringPhysics: CH 01 HW
Significant Figures Conceptual Question
In the parts that follow select whether the number presented in statement A is greater than, less than, or equal to the number presented in statement B. Be sure to follow all of
9/12/2017
MasteringPhysics: CH 01 HW
Converting Units: The Magic of 1
Learning Goal:
To learn how to change units of physical quantities.
Quantities with physical dimensions like length or
time must be measured with respect to a unit, a
standard for quant
9/12/2017
MasteringPhysics: CH 01 HW
Problem 1.15: Blood is thicker than water.
Part A
The density (mass divided by volume) of pure water
is 1.00 g/cm3 that of whole blood is 1.05 g/cm3 and the
density of seawater is 1.03 g/cm3 .
What is the mass of 5.00
9/12/2017
MasteringPhysics: CH 01 HW
Components of Vectors
Part A
Shown is a 10 by 10 grid, with coordinate axes x and y
(Figure 1) .
The grid runs from -5 to 5 on both axes. Drawn on this grid are
four vectors, labeled Athrough D. This problem will ask y
9/12/2017
MasteringPhysics: CH 01 HW
Problem 1.50: How much blood in a heartbeat?
Part A
A typical human contains 5.00 L of blood, and it takes 1.00 min
for all of it to pass through the heart when the person is resting
with a pulse rate of 76.0 heartbeat
9/12/2017
MasteringPhysics: CH 01 HW
Multiple Choice Problem 1.05
Part A
If the vector B has a magnitude of 35.0 m and makes an angle of 30.0 with the +x axis, the vector -B
has a magnitude of 35.0 m
has the same direction as B, but a magnitude of 35.0 m
9/12/2017
MasteringPhysics: CH 01 HW
Submit
Components of Vectors
Shown is a 10 by 10 grid, with coordinate axes x and y
(Figure 1) .
The grid runs from -5 to 5 on both axes. Drawn on this grid are
four vectors, labeled Athrough D. This problem will ask y
9/12/2017
MasteringPhysics: CH 01 HW
say that an average person's mass is about 50 kg, which gives the total mass of all humans on our planet as
Made to Order (of Magnitude)
Learning Goal:
To be able to make order-of-magnitude calculations.
Imagine that a
9/12/2017
MasteringPhysics: CH 01 HW
Adding and Subtracting Vectors Conceptual Question
Six vectors (A to F) have the magnitudes and directions
indicated in the figure. (Figure 1)
Submit
My Answers Give Up
Correct
Part B
Which two vectors, when added, wil
9/12/2017
MasteringPhysics: CH 01 HW
Problem 1.02
Part A
The recommended daily allowance (RDA) of the trace metal magn
Express this quantity in g/day.
m
= 410000
Submit
g/day
My Answers Give Up
Correct
Part B
For adults, the RDA of the amino acid lysine i
9/12/2017
MasteringPhysics: CH 01 HW
Components of Vectors
Shown is a 10 by 10 grid, with coordinate axes x and y
(Figure 1) .
The grid runs from -5 to 5 on both axes. Drawn on this grid are
four vectors, labeled Athrough D. This problem will ask you
vari
9/12/2017
MasteringPhysics: CH 01 HW
Adding and Subtracting Vectors Conceptual Question
Part A
Six vectors (A to F) have the magnitudes and directions
indicated in the figure. (Figure 1)
Which two vectors, when added, will have the largest (positive) x co
9/12/2017
MasteringPhysics: CH 01 HW
Problem 1.17: Atoms and nuclei.
Part A
The atom helium (He) consists of two protons, two neutrons,
and two electrons. (Recall that density is mass divided by
volume, and consult the textbook as needed.)
The diameter of
9/12/2017
MasteringPhysics: CH 01 HW
Problem 1.41
Part A
Compute the x and y components of the vectors shown in the
figure.(Figure 1)
Compute the x and y components of vector A.
Express your answer as a comma-separated pair of components.
Ax , Ay
= 7.22,9
Borough of Manhattan Community College
General Physics I: PHY 210 (136BB) | Spring 2017
Experiment 3: Uniformly Accelerated Motion
Date of Performance: February 17, 2017
Date of Submission: February 24, 2017
Student: Kenneth Louie
Student's Email: klouie.
4.4 Mass and Weight 105
weight. On the moon, the cart would be just as hard to get rolling, but it would be easier to
lift. So what exactly is the relationship between mass and weight?
The answer to this question, according to legend, came to Newton as he
Bridging Problem
A 10 kg crate is being pulled across the oor by a cable, as shown
in Figure 4.29. The friction force between the crate and the oor is
f = 19.6 N, and the crate is accelerating to the right at 2 m/sz. Determine
(a) the component of the te
All the principles of dynamics can be wrapped up in a neat package containing three
statements called Newtons laws of motion. These laws, the cornerstone of mechan-
ics, are based on experimental studies of moving objects. They are fundamental laws of
nat
Plishtiyev 1
Daniel. Plishtiyev
Professor Donna Paparella
03/07/17
Final draft: Jane Eyre- Growing Up Female
If one interprets what Gilberts intends to say by avoiding her social destiny, to mean
that Jane should have stayed as it pleased God - a penniles
Equation Reference: Exam #1
r xi yj zk
vx v0 x axt
r2 r1 r
v av
t 2 t1 t
1
x x0 v0 x t a x t 2
2
r dr
v lim
t 0 t
dt
v v1 v
a av 2
t 2 t1
t
v dv
a lim
t 0 t
dt
v x2 v0 x 2a x ( x x0 )
2
v vx
x x0 0 x
t
2
t
v x v0 x a x dt
0
t
a rad
v2
R
a rad
QUESTIO N 1
On average, a lightning flash on Earth transfers about 30 C is transferred across 1
GV.
Suppose that, in a single lightning flash, 29.8 C of charge is transferred through a
potential difference of 3.32 GV. If all this energy could be used to a
QUESTION 1
1.
A long cylindrical wire (length 19.3 m, radius
7.12 mm) is attached across the terminals of a
15.1 battery, and a current 1.7 A flows. Find the
resistivity of this wire, in -m.
1 points
QUESTION 2
1.
Initially, a cylindrical conducting wire
QUESTION 1
1.
Three identical metal spheres are far apart. Initially:
- Sphere A has charge qA = 38.3 C
- Sphere B has charge qB = -51.9 C
- Sphere C is neutral.
First you bring sphere A and sphere B together until they touch, and then separate
them.
Next
QUESTION 1
1.
Refer to diagram 1 on Lecture Outline 4
Two solid conducting spheres have radius r1 = 1.39 cm and r2 = 88.9 cm. The two
spheres are connected by a thin conducting wire. Assume:
- the wire is very long and thin, with negligible surface area,
QUESTION 1
1.
Three "infinite" wires lie in the x-y plane and
are parallel to the x-axis:
- Wire 1 passes through the y-axis at (0,3.44 mm),
and carries current 64.5 A in the positive x-direction
- Wire 2 passes through the y-axis at (0,7.52 mm),
and carr
Refer to diagram 1 on Recitation 1 Handout.
A constant electric field E = 4,389j N/C exists in a region of space between x = 0
and x = 4.43 mm. Suppose an alpha particle (a helium nucleus, mass 6.64x10 -27kg,
charge +3.20x10-19 C) is moving along the nega
1.
QUESTION 1
Refer to diagram 1a on Lecture Outline 6. Notice
the direction compass in the upper left-hand
corner.
Suppose a subatomic particle of mass m = 5.8x10-21 kg
has kinetic energy K.E. = 6.38 nJ, and is moving
southward toward a vertical wall. Wh
Queens College of CUNY
Department of Physics
Physics 103 Fall 2016
Course Supervisor: Karim Gangji - Office: SB-B215; Phone 718-997-3398/3350; email: [email protected]
Office Hours: Wed. 8:30 9:30pm, or by appointment.
Texts: Essential University Physic