College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 7 - Multiple-Choice Questions - Page 261: 5


The correct answer is: (b) $mgt$

Work Step by Step

We can find the speed at time $t$: $v_f = v_0+at = 0+gt = gt$ The momentum at time $t$ is $mv_f$ which is $mgt$ The correct answer is: (b) $mgt$
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