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# How many revolutions per minute are the wheels of a bicycle turning if the diameter is 26 inches and you are traveling at a speed of 10 miles per hour How many r?

Updated: 10/18/2022

Wiki User

13y ago

To solve, you need how far is travelled in 1 minute and the circumference of the wheel (in the same units) which gives how far the wheel travels in one revolution; then dividing the former by the latter will give the revolutions per minute:

I'll work in inches:

There are 63360 inches in 1 mile and 60 minutes in 1 hour, thus:

10mph = 10 x 63360 ÷ 60 inches per minute

= 10560 ipm

circumference = π x diameter

= 26π inches

⇒ revolutions per minute = 10560 ipm ÷ 26π ins

~= 129.3 rpm

Wiki User

13y ago

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Q: How many revolutions per minute are the wheels of a bicycle turning if the diameter is 26 inches and you are traveling at a speed of 10 miles per hour How many r?
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