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 football is kicked so that is has a hang time of 2.5 seconds and hits the ground 31 meters down the field, what was the velocity of the football when it was kicked?
12.3 m/sec
24.5 m/sec
17.4 m/sec
12.40 m/sec
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Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 440 meters away. If the cannon ball is in the air for only 5 seconds, with what velocity was it fired?
49.0 m/sec
88.0 m/sec
91.3 m/sec
24.5 m/sec
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Question 3
A softball is struck up into the air with a hang time of 4 sec and is caught 10.3 meters away. What was the velocity of the softball just as it was struck by the bat?
2.58 m/sec
39.2 m/sec
19.8 m/sec
41.2 m/sec
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Question 4
A catapult launches its mass at a speed of 35.6 m/sec at an angle of 31 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
1.87 sec
30.5 sec
3.74 sec
17.2 sec
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Question 5
An arrow is shot up into the air at 17.8 m/sec at an angle of 48 degrees. What is the range of the arrow if its release-height and impact-height are the same?
8.9 meters
13.23 meters
32.2 meters
11.91 meters
Copyright © 2007-2017
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton