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 22 m/sec in 7 seconds. How far does it travel during this period of acceleration?
154 meters
39 meters
308 meters
77 meters
omit
Question 2
What acceleration did the car is
Question 1
experience?
0.32 m/sec
^{2}
3.46 m/sec
^{2}
3.14 m/sec
^{2}
11.00 m/sec
^{2}
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Question 3
Scenario #2:
A pickup truck moving at 34 m/sec must come to a stop in a distance of 210 meters to avoid hitting a boulder that has fallen onto the road. How much time does the driver have to avoid an accident?
3.1 seconds
21.0 seconds
17.0 seconds
12.4 seconds
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Question 4
What acceleration did the truck experience in
Question 2
?
-8.50 m/sec
^{2}
-1.62 m/sec
^{2}
-2.75 m/sec
^{2}
-6.18 m/sec
^{2}
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Question 5
Scenario #3:
A row boat, starting from rest, takes 7 seconds to travel 34 meters. If the boat maintains a uniform acceleration, what will be its instantaneous velocity at the end of this intial 7-second period?
4.86 m/sec
9.71 m/sec
2.65 m/sec
8.25 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 210 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?
17.4 seconds
18.1 seconds
45.6 seconds
25.1 seconds
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Question 7
What acceleration did the row boat initially experience in
Question 5
?
0.69 m/sec
^{2}
1.39 m/sec
^{2}
0.33 m/sec
^{2}
1.39 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 65 meters in 8.5 seconds. What was the cart's initial velocity at the top of the hill after a subtle, not so official, push-start?
0.21 m/sec
0.21 m/sec
0.21 m/sec
0.90 m/sec
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Question 9
What was the cart's final velocity when it reached the bottom of the hill?
15.1 m/sec
2.7 m/sec
7.6 m/sec
10.7 m/sec
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