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 4.6 seconds and hits the ground 30 meters down the field, what was the velocity of the football when it was kicked?
22.5 m/sec
45.1 m/sec
6.52 m/sec
23.5 m/sec
omit
Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 432 meters away. If the cannon ball is in the air for only 9.2 seconds, with what velocity was it fired?
90.2 m/sec
45.1 m/sec
47.0 m/sec
65.1 m/sec
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Question 3
A softball is struck up into the air with a hang time of 4.6 sec and is caught 10 meters away. What was the velocity of the softball just as it was struck by the bat?
22.6 m/sec
45.1 m/sec
2.17 m/sec
46.0 m/sec
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Question 4
A catapult launches its mass at a speed of 37.8 m/sec at an angle of 30 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
1.93 sec
18.2 sec
32.7 sec
3.86 sec
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Question 5
An arrow is shot up into the air at 18.9 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?
14.26 meters
12.40 meters
7.8 meters
36.1 meters
Copyright © 2007-2019
William A. Hilburn
All rights reserved.
Application Programmer
Mark Acton