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 4.5 seconds and hits the ground 21 meters down the field, what was the velocity of the soccer ball when it was kicked?
4.67 m/sec
22.1 m/sec
44.1 m/sec
22.5 m/sec
omit
Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 441 meters away. If the cannon ball is in the air for only 9 seconds, with what velocity was it fired?
44.1 m/sec
49.0 m/sec
65.9 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 4.7 sec and is caught 7 meters away. What was the velocity of the softball just as it was struck by the bat?
46.1 m/sec
23.1 m/sec
32.9 m/sec
1.49 m/sec
omit
Question 4
A catapult launches its mass at a speed of 32.6 m/sec at an angle of 21 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
2.38 sec
1.19 sec
30.4 sec
7.0 sec
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Question 5
An arrow is shot up into the air at 16.3 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?
12.49 meters
8.0 meters
26.7 meters
10.48 meters
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William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton