A cyclist moves along a circular path of radius 70 m. If he completes one round in 11 s, calculate (i) total length of path, (ii) magnitude of the displacement, (iii) average speed, and (iv) magnitude of average velocity.
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total length of path=2πr=2×3.14×70=440m
displacement=0... because cyclist reached the same point
average speed=distance/time=440/11=40m/s
avg velocity=displacement/time=0
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