College Physics (4th Edition)

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

Chapter 3 - Problems - Page 112: 29


Massimo can not pass the test.

Work Step by Step

We can find the time required to complete the run at an average rate of 4.0 m/s: $v_{av} = \frac{distance}{time}$ $time = \frac{distance}{v_{av}}$ $time = \frac{1000~m}{4.0~m/s}$ $time = 250~s$ Since Massimo has already used 250 seconds to complete 900 meters, it is impossible for Massimo to complete the run in 250 seconds. Massimo can not pass the test.
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