Diameter of cycle wheel is 28 cm. If in 1 hour a cyclist completed 2500 revolution then find his speed in km/ hour.
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Given :-
Diameter of cycle wheel is 28 cm. If in 1 hour a cyclist completed 2500 revolution then find his speed in km/ hour.
Solution :-
Distance travelled by the wheel in one revolution =2πr=2×722×228=88cm
and the total distance covered by the wheel
=13.2×1000×100cm
=1320000cm
∴ Number of revolutions made by the wheel
=881320000
=15000.
Answered by
1
59 hours diameter of cycle
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