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 4.5 seconds and hits the ground 32 meters down the field, what was the velocity of the football when it was kicked?
22.1 m/sec
44.1 m/sec
23.2 m/sec
7.11 m/sec
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Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 438 meters away. If the cannon ball is in the air for only 9 seconds, with what velocity was it fired?
65.7 m/sec
44.1 m/sec
48.7 m/sec
88.2 m/sec
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Question 3
A softball is struck up into the air with a hang time of 3.1 sec and is caught 10.7 meters away. What was the velocity of the softball just as it was struck by the bat?
15.6 m/sec
30.4 m/sec
3.45 m/sec
33.2 m/sec
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Question 4
A catapult launches its mass at a speed of 34.2 m/sec at an angle of 32 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
29.0 sec
1.85 sec
3.70 sec
16.8 sec
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Question 5
An arrow is shot up into the air at 17.1 m/sec at an angle of 49 degrees. What is the range of the arrow if its release-height and impact-height are the same?
8.5 meters
12.91 meters
11.22 meters
29.5 meters
Copyright © 2007-2017
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton