Your Name (Print):
Date:
Group:
BALL
[GRR:rd
DROP
HOMEWORK
The vertical component ofthe velocity of a bouncing ball as a function of time
is shown in the graph below. The positive ydirection is vertically up. The ball deforms slightly
while it is in conta
1D Kinematics Practice Problems
1) The head of a rattle snake can accelerate SOm/s2 in striking a victim. If a car could do that as
2)
1 a
h \ .V
l I
v
J
A 3)
/
r'7_> "'27

. 4)
1:5, , _.r\_~_ a
Eat )3" _.
well, how long would it take for it to reach a
Page 1 of7
College Physics I  Sections 0507
Exam 2
January 17, 2011
Please write your name in the upper righthand comer of this page. Solve all problems and answer
all questions clearly and completely, showing your calculations and reasoning (including
Your Name (Print):
Group Members:
Date:
Group:
Torque and Equilibrium
1. Equilibrium
A stick rests on a smooth horizontal surface and has only two
horizontal forces of equal magnitude acting on it ~ the
directions shown. Is the stick in equilibrium? Expla
Practice Problems for End of Chapter 7
(Problem numbers refer to text.)
727. A playground toy has four seats, each 5.0 kg, attached to very light, 1.5:mlong rods, as seen
from above in the gure. If two children, with masses of 15 kg and 20 kg, sit 1n se
10.29.12
Impulse and Momentum
Collision and Impulse
Until now we have studied very simple
interactionsbut how do we describe more
complex interactions like:
Collisions
Explosions
Our goal is to find relationships between the
velocities of the objects
)
Your Name (Print):
Group Members:
Date:
Group:
Unit Conversion
1. NASA's unpiloted, experimental X43A "airbreathing" test plane broke its own world
aircraft speed record on its third and final flight on Nov. 16, 2004. The test plane, known as a
"scram
Your Name (Print):
Group Members:
Date:
Group:
_
Unit Conversion
1. NASA's unpiloted, experimental X43A "airbreathing" test plane broke its own world
aircraft speed record on its third and final flight on Nov. 16,2004. The test plane, known as a
"scramj
College Physics I
Practice Problems 1D Kinematics
1) A car accelerates from 5.0 In/s to 21 m/s at a rate of 3.0 111/52. How far does itltravel while
accelerating?
A)41m B)207m D)ll7m
(9
a
A 10%?
wwmwmem
VUJ'CXE arri3, MM . Ax
far 2 
'* ~ Wit261x M
Your Name (Print):
~.!.!tJ~S:.:;tv~8:.J.'.,l.,?OI!>
_
Date:
Group:
Vector Algebra and Static Translational
Equilibrium
at the beoinninqofWorkshop
HOMEWORKDue
_
#6
T he net force must be determined by a GRA PHI CA L construction. No cred it will be
earne
College Physics I Sections 01, 02 & 03 Name ANSWERS 4' SOLL/tm/JS
Exam 3
May 2, 2011
Please write your name in the upper righthand corner of this page. Answer all questions and solve all
problems. Where solutions are required, show all your calculati
Solutions to Assignment 1
1.6. Prepare: Displacement along a straight line is a signed quantity. Since this problem asks for displacements
relative to Mulberry Road, we will choose Mulberry Road as the origin.
Solve: Since Mulberry Road was chosen as the
Name
College Physics I  Sections 05, 06 & 07
ftfJSlJJRS
Exam 1
December 13,2010
Please write your name in the upper righthand comer of this page. Solve all problems and answer all
questions clearly and completely, showing all your calculations and reaso
Solutions to Assignment 2 (EndofChapter Problems only)
2.8. Prepare:To get a position from a velocity graph we count the area under the curve.
Solve:
(a)
(b) We need to count the area under the velocity graph (area below the xaxis is subtracted). There
Solutions to Assignment 3
3.8. Prepare:The figure below shows the components vx and vy, and the angle . We will use Tactics Box 3.3 to find the sign
attached to the components of a vector.
= .
Solve:(a) Since vx =v cos , we have 2.5 m/s =(3.0 m/s) cos =co
Solutions to Assignment 4, Part 1
4.33.Prepare: Follow the steps outlined in Tactics Boxes 4.2 and 4.3. Draw a picture of the situation, identify the system,
in this case the elevator, and draw a closed curve around it. Name and label all relevant contact
Practice Problems for Chapter 10
1. A physics student shoves a 0.50kg block from the bottom of a frictionless 30 ramp. The student
performs 4.0 J of work and the block slides a distance d along the ramp before it stops. What is the
value of d?
2. A boat
Your Name (Print):
Date:
Group Members:
Group:
Motion OiagramSand\~otiojG
raphs
Figure 1 shows a truck rolling up, then down, a straight hill (the engine is off and the truck is in
neutral). The position of the truck at time t= 0 is shown in the top diagr
Practice Problems on Chapters 4 & 5 Solutions
1) When the net force thataets on ahockey puck is 10 N, the puck accelerates atarate of
50 mlsz. Determine the mass of the puck.
51/
@952 kg (e) 5 kg cfw_8) 50 kg
(b) 1.0 kg (:1) 10 kg
"9 3 N Ws and La)
gg=1or
Solutions to Assignment 4, Part 2 (other than Tutorials)
6.4. Prepare:Every part of the record (on a turntable) is rotating at 45 rpm. We note that 1 rev 2 radians and 1 min 60
s. To find the period, we will use Equation 6.5.
Solve:(a) The angular speed i
Solutions to Assignment 5
(Not including Tutorials.)
7.58. Prepare:The compact disk is a rigid body rotating about its center. The initial angular velocity is i 0 and
the final angular velocity is f 2000 rpm, which must be converted to SI units of rad/s.
Solutions to Assignment 6
(Tutorials not included.)
9.10.Prepare:We can use Equation 9.8 along with Equation 9.6 to calculate the mass of the puck.
mv
Solve:Consider the puck initially moving along the positive xaxis. Its initial momentum is pi =+ . Afte
Please write your name in the upper righthand corner of this page. This is a multiple choice exam in which you
must choose the best answer to each question by solving problems and/or analyzing physicai situations. To obtain
full credit for your response,
Solutions to Assignment 7
(Tutorials not included.)
10.30. Prepare: Assume there is zero rolling friction since friction is not mentioned in the problem. The sum of the kinetic and
gravitational potential energy, therefore, does not change during the cars
College Physics 1
Lecture 3
Free Fall
Vectors and Motion in Two Dimensions
Free Fall
All objects, under the influence of only gravity
fall. (We are neglecting air resistance)
They all fall with a constant acceleration (down)
of
g = 9.8 m/s2
The mass of
9/13/2012
College Physics
1
Physics 211
Carlson 1125
Monday, September 9, 2012
News: Assignments
Mastering Physics Assignment 1 is due tomorrow
(Tuesday) at 11:59PM
Your Motion Diagrams prelab quiz is due
tomorrow before workshop (4 or 6PM depending
on
Your Name (Print):
Group Members:
Date:
Group:
ROTATIONAL
_
COLLISION
You will investigate the dynamics of a twobody rotational collision.
Two identical disks are free to rotate in a horizontal plane about a common central axis
with minimal friction. The
Your Name (Print):
Group Members:
Date:
Group:
TORQUE
CALCULATION
Torque i is a measure of the ability of a force F to cause a rotation. The torque is
defmed as the magnitude of the force ( F) times the length of the lever arm k).
't=F~
The direction of t
College
Physics 1
Physics 211
Carlson 1125
Monday, September 3, 2012
Kelly Sassin
Introduction
Basic Course Philosophy
o read & think about it (text book)
o untangle it (Lecture and Workshops, Discussion
groups)
o practice it (Homework, text book , and
w