Practice Problems
Projectiles Released from Ground Level at an Angle
Directions:
On this worksheet, every projectile has a net vertical displacement of s
_{y}
= 0. That is, the projectiles begin and end at the same height.
omit
Question 1
A soccer ball is kicked so that is has a hang time of 3 seconds and hits the ground 18 meters down the field, what was the velocity of the soccer ball when it was kicked?
6.00 m/sec
15.9 m/sec
29.4 m/sec
14.7 m/sec
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Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 427 meters away. If the cannon ball is in the air for only 6 seconds, with what velocity was it fired?
71.2 m/sec
58.8 m/sec
29.4 m/sec
77.0 m/sec
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Question 3
A softball is struck up into the air with a hang time of 3.7 sec and is caught 6 meters away. What was the velocity of the softball just as it was struck by the bat?
36.3 m/sec
18.2 m/sec
22.2 m/sec
1.62 m/sec
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Question 4
A catapult launches its mass at a speed of 32 m/sec at an angle of 18 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
30.4 sec
5.0 sec
2.02 sec
1.01 sec
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Question 5
An arrow is shot up into the air at 16.0 m/sec at an angle of 50 degrees. What is the range of the arrow if its release-height and impact-height are the same?
10.28 meters
25.7 meters
12.26 meters
7.7 meters
Copyright © 2007-2017
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton