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A particle covers a full circular path of radius 14cm in 8 sec.Calculate average speed and velocity when it completes one circular motion.
r = 14cm
Distance travelled = 2*pi*r
   = 2*3.14*14
  = 88cm
  = 0.8m
Time taken = 8s
Average speed = 0.8/8
     = 0.1m/s
Average velocity is zero


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