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Conservation of Momentum and Conservation of Energy
Review of Attempt 1
Started o
6/7/16
PHY120L
Mr. Alex Harvey
Unit 1 Application Assignment: Life on Mars
The advantages or disadvantages to move to mars is that on mars, I will get an extra time
in the day to do the things I want to do. Like sleep in because Martian days are about hal
6/7/16
PHY120L
Mr. Alex Harvey
1. When Dr. Hewitt pulls the tablecloth, what happens to the items on the tablecloth?
They tend to stay where they were.
2. When Dr. Hewitt pulls the tablecloth, why do the items on the tablecloth do what they
do?
Inertia m
6/7/16
PHY120L
Mr. Alex Harvey
1. Which of the force diagrams in the figure correctly displays all of the horizontal forces
exerted on the cart by the surrounding air?
2. How does the force on the rifle compare with the force on the bullet, and why?
The
PHYSICS 221
SPRING 2013
FINAL EXAM: May 7, 2013 2:15pm - 4:15pm
Name (printed): _
Recitation Instructor: _
Section #_
INSTRUCTIONS:
This exam contains 25 multiple-choice questions plus 2 extra credit questions,
each worth 4 points. Choose one answer only
Chapter
5
Forces in Equilibrium
Many people would not consider it extraordinary to
get into an elevator and zoom to the top of a 50 story
building. They might not be so nonchalant if they
knew the balance of enormous forces that keeps a tall
building stan
CHAPTER 6
USING NEWTONS LAWS
2T cos 25 Fres = max , since T1 = T2 = T. (a) If ax = 0, Fres = 2(1100 N) cos 25 = 1.99 kN. 2 (b) If ax = 0.16 m/s , Fres = 1.99 kN (3700 kg) (0.16 m/s2 ) = 1.40 kN.
ActivPhysics can help with these problems: All Activities in
Chapter 13
Fluids
Conceptual Problems
1
If the gauge pressure is doubled, the absolute pressure will be
(a) halved, (b) doubled, (c) unchanged, (d) increased by a factor greater than 2,
(e) increased by a factor less than 2.
Determine the Concept The abso
CHAPTER
3
Motion in Two and Three Dimensions
1* Can the magnitude of the displacement of a particle be less than the distance traveled by the particle along its
path? Can its magnitude be more than the distance traveled? Explain.
The magnitude of the disp
CHAPTER 6
Motion in a Plane II
6.1 CIRCULAR MOTION; CENTRIPETAL FORCE
6.1
6.2
6.3
6.4
94
A 0.3-kg mass attached to a 1.5 m-long string is whirled around in a horizontal circle at a speed of 6m/s. (a) ':
What is the centripetal acceleration of the mass? (b
Unit 2 Assignment
For this assignment, please answer the following questions:
1. Gravity on the surface of the Moon is only 1/6 as strong as gravity on the surface of the Earth.
a.
What is the weight of a 10-kg object on the Moon compared to its weight on
1.
What physical quantities can be represented by vectors? Why? How do you determine the resultant force
of the various forces acting on an object?
Quantities that can be represented with vectors include forces, weights (which are also forces),
velocities
PHYS120 Chapter 9 Review Questions
#3. In what sense does the Moon fall?
It falls away from straight line because no forces are acting on it.
#4. State Newtons law of universal gravitation in words. Then do the same
with one equation.
Every body in the un
1. What is the objective of this lab assignment?
2. What do the numbers shown on the horizontal axis represent? And those on the vertical axis?
3. What is the total duration of the motion of the car?
4. Looking at the three curves, one can infer some deta
1. Two electrically charged particles held close to each other are released. As they move, the
force on each particle increases. What can you say about the signs of the electric charge
of each particle? Explain.
Due to the inverse square law they must be
1. What is the objective of this assignment?
The objective of this assignment to understand electric circuits and verify Ohm law by
calculating the resistance and current in series circuit with particular number bulbs.
2. Is the circuit series or parallel
Unit 2 Assignment
For this assignment, please answer the following questions:
1. Gravity on the surface of the Moon is only 1/6 as strong as gravity on the surface of the Earth.
a. What is the weight of a 10-kg object on the Moon compared to its weight on
Lab Assignment 1
For your lab report, please address the following questions:
1. What is the objective of this lab assignment?
The objective of this lab is to determine the motion of the car, the time interval
needed for the entire trip and how to interpr
For your lab report, please answer the following questions.
Set the frequency of the source fS = 5000 Hz for all questions.
1. What is the objective of this assignment?
To study the variations in observed frequency corresponding to changes in listener and
1. What is the objective of this assignment?
The objective is the role that a battery or some other voltage source plays in a circuit; the
electric current that moves through different parts of the circuit; and the effect of bulbs and other
resistive devi
Thomas McMaster
PHY120
April 12 2014
1. Two vectors A and B have the same magnitude of 100 N (they represent forces of equal
strength).
a. What is the magnitude of the resultant vector of A and B if they are parallel and pointing in
opposite directions? 1
Thomas McMaster
PHY120L
April 12 2014
1. What is the objective of this lab assignment?
2. What do the numbers shown on the horizontal axis represent? And those on the vertical axis?
3. What is the total duration of the motion of the car?
4. Looking at the
1. Two electrically charged particles held close to each other are released. As they move, the
force on each particle increases. What can you say about the signs of the electric charge of
each particle? Explain.
The signs of the electric charge would be o
1. Consider two cars A and B. car A is raised to some height h inside a service station, and car B
is speeding down the highway. Describe the potential, kinetic, and total energies of each car.
How much work is used to raise A to height h? What happens to
Unit 2 Reading Assignment
Chapter 7:
Work (page 110)
Power (page 111)
Potential Energy (page 113)
Kinetic Energy (page 114)
Conservation of Energy (page 117).
Chapter 9:
Law of Gravity (page 161).
Chapter 10:
Projectile Motion (page 184).
Chapter 19:
Wave
1. What is the objective of this assignment?
To analyze the effect that the motion of a wave source or the motion of the wave detector has
on the frequency detected by the observer. The Doppler equation is used for determining the
detected wave-frequency.
1. Gravity on the surface of the Moon is only 1/6 as strong as gravity on the surface of the Earth.
a. What is the weight of a 10-kg object on the Moon compared to its weight on Earth? What is
the mass the object on Earth?
Weight = 10 kg * 9.806 m/s^2
Wei