Answer
$80\pi$ ft/min
Work Step by Step
One complete revolution is the same as $2\pi$ radians, hence: $\omega=20rpm=20\cdot2\pi=40\pi$ rad/min
We know that $v=r\omega$, hence here: $v=2\cdot40\pi=80\pi$ ft/min
Trigonometry 7th Edition
by McKeague, Charles P.; Turner, Mark D.
Published by
Cengage Learning
ISBN 10:
1111826854
ISBN 13:
978-1-11182-685-7
Chapter 3 - Test - Page 173: 26
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
