find the diameter of a wheel that makes 490 revolution in going a distance of 4 kilometre 4m
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Distance travelled in 1 revolution = 2 * 22/7 * R
Distance travelled in 1000 revolutions = 2 * 22/7 * R * 1000
1000 * 2 * 22/7 * R = 88000
R = 88000 * 7/1000 * 2 * 22= 14
radius of wheel = 14 m
and, diameter of wheel = 2 * R
= 2 * 14
= 28 m
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