Practice Problems
Freely Falling Bodies with Linear Trajectories
Topics:
On this worksheet you will practice working with
freely falling bodies
released vertically as a special example of uniformly accelerated motion.
Page Directions
The numerical values in this worksheet are randomly generated allowing students the opportunity to conveniently practice, and drill, common situations.
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In order to check an answer
(even when you are just starting the worksheet on Question 1)
it is necessary to
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Question 1
A ball is thrown straight down off a 7-meter balcony at a speed of 6 m/sec. How many seconds will it take to hit the ground at the base of the balcony?
3.80 sec
0.71 sec
1.96 sec
0.73 sec
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Question 2
How
fast
will the ball in
Question #1
be traveling just as it impacts the ground?
17.7 m/sec
13.2 m/sec
8.3 m/sec
11.7 m/sec
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Question 3
If the ball in
Question #1
had instead been thrown straight upwards at a speed of 6 m/sec off the 7-meter balcony, how much time would it have taken to strike the ground at the base of the balcony?
0.71 sec
1.96 sec
2.57 sec
1.46 sec
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Question 4
True or False. The ball in
Question #3
will strike the ground moving at a faster speed than the ball released in
Question #1
.
True
False
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Question 5
How high
above the release point
did the ball in
Question #3
rise during its trajectory?
8.84 meters
0.37 meters
5.16 meters
1.84 meters
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Question 6
From the instant when the ball was tossed upwards in
Question #3
, how much time was required before the ball once again passes through its release position?
0.98 seconds
1.22 seconds
1.10 seconds
0.73 seconds
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Question 7
A walnut drops from the top branch of a walnut tree and falls a total distance of 17 meters. After one second, it clears all of the tree's foliage. How much additional time passes before it strikes the ground at the base of the tree?
0.86 seconds
0.93 seconds
1.22 seconds
1.32 seconds
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Question 8
What was the walnut's final velocity just as it impacted with the ground?
-9.1 m/sec
-18.3 m/sec
-4.3 m/sec
-8.5 m/sec
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