A person complete 3 and half round if a circle of radius 21m in 10 minutes . Find the displacement, speed , distance , and velocity of a person..
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n=3.5
r=21 m
t=10 minutes
displacement s=21 X 3.5
=>73.5 m=distance
speed=distance/time
73.5/10X60
=>44100 m/s=velocity Ans....................
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