A small rubber ball is launched by a compressed - air cannon from ground level with
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Question:
- A small rubber ball is launched by a compressed−air cannon from ground level with an initial speed of 12.4 m/s directly upward. Choose upward as the positive direction in your analysis.
- (a) What is the maximum height above the ground that the ball reaches?
(b) How long does it take to reach the maximum height?
- (c) How long does it take to reach the ground after it reaches its highest point?
- (d) What is its velocity just before it hits the ground? (Indicate the direction with the sign of your answer.)
Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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