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You may find the following data useful:
Acceleration due to gravity:
g = 9.80m/s
2
Volume of a cylinder:
V = “
⋅
r
2
⋅
h
1.
A steel cylinder is 39 mm in height and 39 mm in diameter.
(a)
3
)
2.
An automobile moving along a straight track changes its velocity from 40 m/
s to 80 m/s in a distance of 200 m.
What is the (constant) acceleration of
the vehicle during this time?
a. 8.0 m/s
b. 9.6 m/s
c.
12 m/s
d.
6.9 m/s
e.
0.20 m/s
3.
An automobile traveling along a straight road increases its speed from 30.0
m/s to 50.0 m/s in a distance of 180 m.
If the acceleration is constant, how
much time elapses while the auto moves this distance?
a. 6.00 s
b. 4.50 s
c.
3.60 s
d. 4.00 s
e. 9.00 s
4.
A particle starts from rest at x = 0 m and v = 0 m/s and moves for 10 s with
an acceleration of +2.0 cm/s2.
For the next 20 s, the acceleration of the
particle is –1.0 cm/s2.
Draw a graph of acceleration vs. time
Draw a graph of velocity vs. time
Draw a graph of position vs. time
What is the position of the particle at the end of this motion?
a. zero
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This note was uploaded on 09/11/2008 for the course PHYS 1401 taught by Professor David during the Spring '07 term at University of Houston.
 Spring '07
 DAVID
 Physics, Acceleration, Gravity

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