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.
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Question 1
A soccer ball is kicked so that is has a hang time of 3 seconds and hits the ground 23 meters down the field, what was the velocity of the soccer ball when it was kicked?
16.6 m/sec
7.67 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 459 meters away. If the cannon ball is in the air for only 6 seconds, with what velocity was it fired?
76.5 m/sec
82.0 m/sec
58.8 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 4.2 sec and is caught 7.7 meters away. What was the velocity of the softball just as it was struck by the bat?
41.2 m/sec
20.7 m/sec
1.83 m/sec
32.3 m/sec
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Question 4
A catapult launches its mass at a speed of 31.2 m/sec at an angle of 23 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
1.24 sec
28.7 sec
7.6 sec
2.49 sec
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Question 5
An arrow is shot up into the air at 15.6 m/sec at an angle of 41 degrees. What is the range of the arrow if its release-height and impact-height are the same?
24.6 meters
10.23 meters
5.3 meters
11.77 meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton