1.

an athlete completes one round of circular track of diameter 200m in 40 seconds what will be the distance covered and the displacement at the end of 2 minutes 20 seconds answer in short

Answer»

40 sec=1 round
140(2×60+20)= ?
140 sec=3.5 rounds
DISTANCE covered= 2*pie*R *3.5
=2200 m
displacement =2R
=2*100
=200 m



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