Question

the radius of a wheel of a bus is 0.70 m. how many revolitions will it make in covering 22 km

Answer 1

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Your Answer:

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The circumference of the wheel = $2 \pi r$ = $2 * \frac{22}{7} * \frac{70}{100} = \frac{22}{5} = 4.4m$

Distance to be covered = 22km = 22000 m

Revolutions = $\frac{22000}{4.4} = \frac{220000}{44} = \frac{20000}{4} = 5000$

∴ It will take 5000 revolutions for the wheel to acquire the distance of 22 km.

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