Essential University Physics: Volume 1 (3rd Edition)

Published by Pearson
ISBN 10: 0321993721
ISBN 13: 978-0-32199-372-4

Chapter 2 - Exercises and Problems: 86

Answer

Please see the work below.

Work Step by Step

We know that the balloon falls 20 meters in t seconds $t=\sqrt{\frac{2y}{g}}$ We plug in the known values to obtain: $t=\sqrt{\frac{2(20)}{9.8}}=2.0s$ The distance traveled by student is $x=vt$ We plug in the known values to obtain: $x=(2)(2.0)=4.0m$
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