Asked by ELS
How many revolutions a second are made by each wheel of an electronic toy car travelling 132 metres per minute , if the diameter of each wheel is 7 cm
Answers
Answered by
Steve
the perimeter of the wheel is 7π cm = .07π = .022 m
So,
132 m/min * 1min/60s * 1rev/.022m = 100 rev/s
So,
132 m/min * 1min/60s * 1rev/.022m = 100 rev/s
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