Answer
1.5 rev/sec
Work Step by Step
1. This is a simple unit multiplier problem. We need to change out minutes for seconds by dividing by sixty.
$\frac{90rev}{1min}$$\times$$\frac{1min}{60sec}$ = 1.5 rev/sec
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Trigonometric Functions - Section 1.1 Angles - 1.1 Exercises - Page 9: 132
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