How many revolution will a car wheel of diameter 30in make as the car travels a distance of one mile.

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22-07-2014
Mathematics

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How many revolution will a car wheel of diameter 30in make as the car travels a distance of one mile.

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AL2006 AL2006 · Answer 1 · 2014-07-22T21:37:37+02:00

AL2006 AL2006

22-07-2014

Circumference = (pi) x (diameter) = 30 pi inches.

1 foot = 12 inches
1 mile = 5,280 feet = 63,360 inches

Number of revolutions in 1 mile = (63,360) / (30 pi) = 672.27... revs (rounded)

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