Find the number of revolution taken by the wheel of the truck to cover a distance 78.5km if thhe distance if the wheel is one meter
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given:-
diameter=1m
therefore radius=0.5m
circumference=2πr
=2×3.14×0.5=3.14m
we know that 1km=1000m
therefore 78.5km=78500m
hence, no. of revolution=78500/3.14
=25000
hence, final answer is 25000 revolution.
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