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 3 seconds and hits the ground 32 meters down the field, what was the velocity of the football when it was kicked?
18.2 m/sec
10.67 m/sec
14.7 m/sec
29.4 m/sec
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Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 461 meters away. If the cannon ball is in the air for only 6 seconds, with what velocity was it fired?
82.3 m/sec
58.8 m/sec
76.8 m/sec
29.4 m/sec
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Question 3
A softball is struck up into the air with a hang time of 5.9 sec and is caught 10.7 meters away. What was the velocity of the softball just as it was struck by the bat?
63.1 m/sec
29.0 m/sec
57.8 m/sec
1.81 m/sec
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Question 4
A catapult launches its mass at a speed of 37.2 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?
19.8 sec
2.01 sec
31.5 sec
4.02 sec
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Question 5
An arrow is shot up into the air at 18.6 m/sec at an angle of 44 degrees. What is the range of the arrow if its release-height and impact-height are the same?
35.3 meters
12.92 meters
13.38 meters
8.5 meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton