Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 2 - Kinematics in One Dimension - Problems: 55

Answer

5.06 m downward

Work Step by Step

Down is the negative direction: $x= vt - \frac{1}{2}at^{2}$ $x= (-10.1)(1.20) - \frac{1}{2}(-9.8)(1.20)^{2}$ $x=-5.064$ $x\approx-5.06$ Hence, the displacement in the final 1.20s is 5.06 m downward
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