SOLUTION: a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour?
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: a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour?
This question is from textbook
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a pulley rotates through 75 degrees in 1 min. How many rotations does the pulley make in an hour?
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1 hr = 60 mins
75 degs x 60 = 4500 degs per hour
4500/360 = 12.5 revolutions
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