Practice Problems
Projectiles Released from Ground Level at an Angle
Topics:
On this worksheet every projectile has a net vertical displacement of s
y
= 0; that is, the projectiles launch and land at the same height.
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The numerical values in this worksheet are randomly generated allowing students the opportunity to conveniently practice, and drill, common situations.
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Question 1
A football is kicked so that is has a hang time of 3.2 seconds and hits the ground 31 meters down the field, what was the velocity of the football when it was kicked?
9.69 m/sec
31.4 m/sec
18.4 m/sec
15.7 m/sec
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Question 2
A cannon is fired on flat ground so that its shell comes back to the ground 465 meters away. If the cannon ball is in the air for only 6.4 seconds, with what velocity was it fired?
31.4 m/sec
62.7 m/sec
72.7 m/sec
79.1 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 10.3 meters away. What was the velocity of the softball just as it was struck by the bat?
60.8 m/sec
57.8 m/sec
1.75 m/sec
29.0 m/sec
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Question 4
A catapult launches its mass at a speed of 33.3 m/sec at an angle of 31 degrees. How long will the mass stay in the air if its release-height and landing-height are the same?
3.50 sec
28.5 sec
1.75 sec
15.0 sec
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Question 5
An arrow is shot up into the air at 16.7 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?
12.57 meters
10.92 meters
28.0 meters
8.1 meters
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