Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 2 - Describing Motion: Kinematics in One Dimension - General Problems - Page 48: 82

Answer

She throws the ball with a speed of 14 m/s.

Work Step by Step

$v = v_0 + at = 0 + (9.8)(1.4) = 14 ~m/s$ The ball is moving at a speed of 14 m/s when your friend catches it. Your friend must throw the ball upwards with this same initial speed for it to come to rest in your hand.
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