the diameter of a cycle wheel is 28 cm. How many revolution will it make in moving 13.2km
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d=28cm. r= 14cm
let no of revolutions=y
2 x pi x y=13.2
y=13.2x1/2x7/22
y =21/10
y=2.1
let no of revolutions=y
2 x pi x y=13.2
y=13.2x1/2x7/22
y =21/10
y=2.1
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