Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 7 - Section 7.4 - Inverse Variation - Exercises - Page 287: 18

Answer

$=90\bar{0}\ rpm$

Work Step by Step

The relationship of two rotating pulleys connected by a belt is: (diameter of A)(rpm of A) = (diameter of B)(rpm of B). Now we have $$ 9.00\times 1500=15.0\times x\Longrightarrow x=\frac{9.00\times 1500}{15.0}=90\bar{0}\ rpm .$$
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