A boy is cycling in such a way that the wheels of his bicycle are making 140 revolutions per minute. If the diamter of the wheel is 60 cm calculate the speed in km per hour
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Answer:
Step-by-step explanation:
Distance = 140 revolutions × 60 as it is the diameter
= 2400×1000 to convert into km
=2400000
Speed = distance / time
Speed = 2400000/ 1×60
=2400000/60
= 6000km/h
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