Name ____ KEY _____________________________________ Date _________ Period ______
Horizontal Range of Projectiles
dx = vx t
1.
At which angle should you kick a soccer ball if you want it to have the greatest range?
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2.
What other angle can you throw a baseball at to have the same range as one thrown at
70°?
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3.
A soccer ball will have the greatest range when kicked at an angle of 45°.
A baseball thrown at 20° will have the same range as one at 70°.
A tennis ball is thrown horizontally at velocity of 10.0 m/s from the top of a 50.0 m high
cliff. What is the horizontal distance from the base of the cliff that the object lands if it
takes 3.19 seconds for the ball to land?
dx = vxt = (10.0 m/s)(3.19 s) = 31.9 m
4.
A runner jumps and lands 9.22 m from her starting point. How long was she in the air for
if her initial speed was 15.2 m/s?
5.
A monkey throws a banana horizontally from the top of a tree. The banana hits the
ground 3 seconds later and lands 30 meters from the base of the tree. How fast did the
monkey throw the banana?
6.
A car falls horizontally at velocity of 29.1 m/s from the top of a cliff. How far from the
base of the cliff does the car land if it falls for 6.12 seconds?
dx = vxt = (29.1 m/s)(6.12 s) = 178 m
7.
How fast must a rock be thrown if it travels a horizontal distance of 44.1 m in 3.12
seconds?