SOLUTION: To the nearest revolution per minute, find the angular velocity of a 28 inch bicycle wheel that has a linear speed of 30 miles per hour.

Question 156356: To the nearest revolution per minute, find the angular velocity of a 28 inch bicycle wheel that has a linear speed of 30 miles per hour.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
To the nearest revolution per minute, find the angular velocity of a 28 inch bicycle wheel that has a linear speed of 30 miles per hour.
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First, get the units to match.
30 mph = 44 ft/sec = 528 inch/sec
Find the rev per second, then rpm.
The circumference is 28*PI inches, so the rps is
528/(28*PI) and the rpm is 60 times that, or
60*528/(28*PI)
= 360 rpm

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