wheel radius is 21 cm rotating 600 rpm speed of the car
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Wheel Radius = 21 cm
Perimeter= 2πr = 2*22/7*21 = 132cm
It is rotating at 600 rpm
600 revolution per minute = 10 revolution per second
In 10 revolution, it will go = 10×132 = 1320cm = 13.2 m
In 1 second, the car goes 13.2 m
Speed is 13.2 m/s
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