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PH 131
Exam 1
Spring 2007
Student Name_________________________________________________________
Student Number_______________________________________________________
Lab/Recitation Section Number:
41
42
43
44
(Circle One)
Instructions:
1.
Fill out all of the information requested above.
Write your name on each
page.
2.
Clearly indicate your final answers for all multiplechoice questions in the
space provided.
3.
Present neat and orderly solutions to each problem.
Clearly indicate your
method of solution by including equations used for each part.
Final answers
should be
circled
or
boxed
.
4.
Be sure to include appropriate units with all answers.
Multiple Choice__________
Problem 1_______________
Problem 2_______________
Total___________________
1
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(2pts. Each)
1)
Assuming that each cubic centimeter of water has a mass of exactly 1 g, find the
mass of one cubic meter of water in kilograms.
A)
10
0
kg,
B)
10
1
kg,
C)
10
3
kg,
D)
10
6
kg.
Answer_________
2)
The graph of
(
29
t
x
for a moving particle is shown below.
Find the
displacement
and
average velocity
of the particle between the two points shown.
t ( s )
x ( m
)
8 . 0
0 . 0
0 . 0
2 . 0
A)
8.0 m, 8 m/s;
B)
8.0 m, 4 m/s;
C)
– 8.0 m, 8 m/s;
D)
– 8.0 m, 4 m/s.
Answer_________
3)
For the moving particle in the previous question the position
(
29
t
x
can be described
by the equation
2
2
t
x
=
.
Find the velocity of the particle at times, 0.0 s and 2.0 s
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 Spring '08
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 Physics

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