College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 4 - Force and Motion - Learning Path Questions and Exercises - Multiple Choice Questions: 17

Answer

(a) the man will reach the ground first

Work Step by Step

The equation for moving down through the air is: Force of wieght- air resistance= net force $mg-f=ma$ Rearranging the equation for $a$ and $m$: $ma=mg-f$ $a=g-\frac{f}{m}$ We thus see that the man will reach the ground first.
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