Physics 101 Exam 1 September 25. 2813
Dr. Sharon T. Zane
NAME: _ _ _
STUDENT LD. _ _
no my honor, I have neither given nor received any aid on this eincaminationf.a
SIGNATURE: J _
in order to obtain full credit for problem 16. you must show your assum
Don't be afraid of physics!
You already know a great deal simply from having
lived on this planet all of your lives. This course will help you to organize and
understand what you've already learned, plus teach you the new things that will serve you
in you
PHY 101
Quiz #3
September 30, 2013
STUDENT NAME: _
STUDENT I.D. NO._
Two workers are engaged in a tug-of-war over a crate. They apply forces
as shown.
F = 100 N
F = 250 N
If the crate has a mass of 75 kg, what is its acceleration (direction and
magnitude)
#3 by schedule: Acceleration of Freely Falling Bodies
1. A student from Sidney, Australia compares the distance he obtained from
the 1-st spark mark to the 20-th spark mark, with the similar result of a student
who did the experiment in Gaithersburg, Mary
9-20. A player bounces a 0.43-kg soccer ball off her head, changing the velocity of
the ball from v i = (8.8 m s)x + ( 2.3 m s)y to v f = (5.2 m s)x + (3.7 m s)y. If the ball is in contact with
the players head for 6.7 ms, what are (a) the direction and (
11/3/11
Physics 101
Tuesday 11/3/11
Class 21"
Chapter 13.4 13.7"
Period of a mass on a spring"
Energy conservation in oscillations"
Pendulum"
Damped oscillations"
"
A mass oscillates
on a vertical
spring with period
T. If the whole
setup is taken to
the M
10/4/11
Springs and Gravity
Physics 101
Tuesday10/4/11
Class 12"
Chapter 8.3 8.5"
Conservation of mechanical energy"
Work by non-conservative forces"
Potential energy curves and
equipotentials"
Down the Hill
A mass attached to a
vertical spring
9/7/11
Reading Quiz
Which of the following is not a vector?
Physics 101
Tuesday 9/6/11
Class 4
Chapter 3
Sections 3.1 3.4
Free fall
Components of a Vector
Adding and Subtracting Vectors
Unit Vectors
Freefall questions
University of Colorado, Boulder 2007
7-9 A tow rope, parallel to the water, pulls a water skier directly behind the boat with
constant velocity for a distance of 65 m before the skier falls. The tension in the rope is 120
N. (a) Is the work done on the skier by the rope positive, negative, o
8/31/11
Reading Quiz
The slope of the tangent to a curve in the
position vs time graph for a particles
motion gives:
Physics 101
Tuesday 8/31/11
Class 2
Chapter 2
Sections 2.1-2.4
Displacement and distance
Velocity and speed
acceleration
Displacement vers
10/20/11
Angular acceleration!
Physics 101
Thursday 10/20/11
Class 17"
Chapter 11.2 11.5"
Angular acceleration"
Static equilibrium"
Center of mass"
Dynamic applications of torque"
A ball initially at rest, rolls without slipping
down an inclined plane.
Is
9/27/11
Questions!
Physics 101
Tuesday 9/27/11
Class 10"
Chapter 6.5 7.2"
Circular motion"
Work done by a constant Force"
Kinetic Energy and work-energy
theorem"
Questions!
I spent _ hours studying for the last test
A) < 1hr
B) between 1 hr and 3 hrs
C) b
11/1/11
Keplers Laws!
The Apollo rockets were launched from Florida
towards the east over the ocean, rather than from
California towards the west over the ocean because:
Physics 101
Tuesday 11/1/11
Class 20"
Chapter 12.4 13.3"
Gravitational potential ener
10/13/11
Reading quiz!
How many degrees in 1 radian?
Physics 101
Tuesday 10/13/11
Class 15"
Chapter 9.8 10.4"
Rocket problems"
Angular position, velocity and acc"
Rotational Kinematics and Connection
with linear Kin."
Rolling motion"
Center of Mass!
A) 1
11/8/11
Does a longitudinal wave, such as a sound
Physics 101
Tuesday 11/8/11
Class 22"
wave, have an amplitude?
Chapter 14.1-15.2"
Waves: on string, wave functions,
Sound waves"
Fluid Density, Pressure"
"
b) no
a) yes
c) it depends on the
10/11/11
Conservation of momentum!
Consider the following situations and possible isolated
systems:
Physics 101
Tuesday 10/11/11
Class 14"
Chapter 9.5 9.7"
Inelastic collisions"
Elastic collisions"
Center of mass"
Conservation of momentum!
Consider the fo
11/22/11
Kinetic Theory!
Physics 101
Tuesday 11/22/11
Class 26"
Chapter 17.2, 17.5, 17.6, 18.1, 18.2"
Kinetic Theory"
Latent Heat"
Phase changes"
1st law of thermodynamics"
"
Which one is not the assumption in kinetic theory of
gases
A) the molecules of t
6-10. To move a large crate across a rough floor, you push on it with a force F at an angle of
21 below the horizontal, as shown in Figure 621. Find the force necessary to start the crate
moving, given that the mass of the crate is 32 kg and the coefficie
PHY101
Discussion#1,Sept.9,2013
13. Radio waves travel at the speed of light, approximately 186,000 miles
per second. How long does it take for a radio message to travel from the
Earth to the Moon and back? (See the inside back cover for the necessary
dat
Chapter 3:
55. You are riding on a jet ski at an angle of 35 upstream on a river
flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 9.5
m/s at an angle of 20.0 upstream, what is the speed of the jet ski relative to
the water?
v
Wh
PHY101
Quiz #1
September 9, 2013
As a train accelerates away from a station, it reaches a speed of 4.7 m/s in 5.0 s. If the
trains acceleration remains constant, what is its speed after an additional 6.0 s has
elapsed? (Hint: First, find the acceleration,
Physics HW 3
1. Find the x and y components of a position vector r, of magnitude
r = 90m, if its angle relative to the y axis is 40.0 degrees and if its angle relative to the y
axis is 70.0 degrees.
2. Vector A has a magnitude of 50 units and points in th
Physics HW 1
1. A human hair has a thickness of about 68 m. What is this in meters? What is this in kilometers?
2. The time T required for one complete oscillation of a mass m on a spring of force constant k is
Find the dimensions k must have for this equ
Physics HW 2
1. The two tennis players shown below walk to the net to congratulate one another. Find the distance
traveled and the displacement of player A. Repeat for player B.
2. A severe storm on January 10, 1992, caused a cargo ship near the Aleutian
Physics 101
Tuesday 10/25/11
Class 18"
Chapter 11.6 12.1"
Angular momentum"
Rotational work and power"
Newton's law of gravity"
Reading quiz!
The angular momentum for a rotating
extended object is L = I :
A) True
B) False
Angular momentum!
Is person 3s an
10/18/11
Moment of Inertia!
Physics 101
Tuesday 10/18/11
Class 16"
Chapter 10.5 11.1"
Rotational KE, moment of inertia"
Conservation of energy"
Torque"
Moment of Inertia!
Moment of Inertia!
1
10/18/11
Moment of Inertia!
Two spheres have the same
radius an
9/20/11
Reading Quiz
The force due to kinetic friction is usually
larger than the force due to static friction.
Physics 101
Tuesday 9/20/11
Class 8"
A) True
Chapter 5.6 6.1"
Weight and Normal forces"
Frictional Forces"
C) False because they are always equ
Chapter 2
Labs will begin week of 9/8
Discuss difference between vectors and scalars.
Zane Problem Solving Method
1. Read the question carefully!
2. What KIND(S) of physics concepts are present in the problem? (kinematics, forces,
energy conservation, mom
Dr. Huerta
Phy 101 Sample Test 3
20 Jun3 2016
1st Summer Session 2016, Section O1I, M-F 8:00 9:50 a.m.
NAME:
IDNUMBER:
On my honor, I have neither given nor received any aid on this
examination
SIGNATURE:
ANSWER ALL 25 MULTIPLE CHOICE QUESTIONS,
WHICH ARE