a man running around a circular track of radius 20 m covers one comple – InterviewSolution

1.

a man running around a circular track of radius 20 m covers one complete round in 40 s . calculate the distance and displacement covered by him in 3 minutes

Answer»

RADIUS of circular track = 20

so the circumference = 2 $\pi$ r

=2×22×20/7

=125.663m approx.

so it means he complete 125.663 in 40sec

so now round cover by him in 3 min or 180 sec.

= 180/4×125.663

=5654.835 m.

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