College Physics (4th Edition)

by Giambattista, Alan; Richardson, Betty; Richardson, Robert

Published by McGraw-Hill Education

ISBN 10: 0073512141

ISBN 13: 978-0-07351-214-3

Review & Synthesis: Chapters 6-8 - MCAT Review - Page 327: 16

Answer

The correct answer is: D. 41.9 min

Work Step by Step

We can find the time $t$ that the cyclist must exercise: $t = \frac{(300~kcal)(4186~J/kcal)}{500~J/s}$ $t = 2511.6~s$ $t = 41.9~min$ The correct answer is: D. 41.9 min

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