At what speed in miles per hour will a bicycle travel if the rider can cause the 26-inch diameter wheel to rotate 90 revolutions per minute

Question

Brandi

Mathematics

11 February, 14:54

At what speed in miles per hour will a bicycle travel if the rider can cause the 26-inch diameter wheel to rotate 90 revolutions per minute

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Answers (1)

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Roselyn · Answer 1

26' wheel @ 90 rpms = 2,340 inches / min (26 x 90)

2,340 inches / min = 140,400 inches / hour (2,340 x 60)

140,400 inches / hour = 11,700 feet / hour (140,400 / 12)

11,700 feet / hour = approx. 2.216 miles / hour (11,700 / 5,280)