Practice Problems
Uniformly Accelerated Motion
Directions:
On this worksheet you will practice solving problems by using the
five basic kinematics equations
for uniformly accelerated motion.
omit
Question 1
Scenario #1:
A car accelerates uniformly from rest to a final speed of 21 m/sec in 7 seconds. How far does it travel during this period of acceleration?
147 meters
74 meters
294 meters
37 meters
omit
Question 2
What acceleration did the car is
Question 1
experience?
0.33 m/sec
^{2}
3.15 m/sec
^{2}
10.50 m/sec
^{2}
3.00 m/sec
^{2}
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Question 3
Scenario #2:
A pickup truck moving at 35 m/sec must come to a stop in a distance of 213 meters to avoid hitting a boulder that has fallen onto the road. How much time does the driver have to avoid an accident?
17.5 seconds
3.0 seconds
12.2 seconds
21.3 seconds
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Question 4
What acceleration did the truck experience in
Question 2
?
-2.88 m/sec
^{2}
-8.75 m/sec
^{2}
-1.64 m/sec
^{2}
-6.09 m/sec
^{2}
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Question 5
Scenario #3:
A row boat, starting from rest, takes 7 seconds to travel 35 meters. If the boat maintains a uniform acceleration, what will be its instantaneous velocity at the end of this intial 7-second period?
2.65 m/sec
8.37 m/sec
10.00 m/sec
5.00 m/sec
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Question 6
At the point in the stream where the boat in
Question 5
is crossing, the stream is a total of 213 meters wide. If the boat continues maintaining the final velocity it achieves at the end of 7 seconds for the remainder of the trip, how much total time will it need to reach the opposite shore?
17.3 seconds
47.0 seconds
17.8 seconds
24.8 seconds
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Question 7
What acceleration did the row boat initially experience in
Question 5
?
1.40 m/sec
^{2}
0.34 m/sec
^{2}
0.71 m/sec
^{2}
1.43 m/sec
^{2}
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Question 8
Scenario #4:
A go-cart, accelerating down a hill at 1.75 m/sec
^{2}
can travel 69 meters in 8.75 seconds. What was the cart's initial velocity at the top of the hill after a subtle, not so official, push-start?
0.20 m/sec
0.90 m/sec
0.25 m/sec
0.21 m/sec
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Question 9
What was the cart's final velocity when it reached the bottom of the hill?
15.5 m/sec
7.9 m/sec
11.1 m/sec
2.8 m/sec
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