# the driving wheel of an engine ...

the driving wheel of an engine is 2.1m in radius find the distance covered when it has made 8000 revolution

Naveen Sharma 2 years, 5 months ago

Ans. Radius of Wheel (r) = 2.1m

Distance covered in one Revolution = Circumference of Wheel = $$2{\pi} r = 2\times {22\over 7}\times 2.1 = 13.2 m$$

Distance covered in 8000 Revolutions = $$13.2 \times 8000 = 105600m = 105.6 Km$$

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