Kinematics

JEE Main level, single correct, medium

4 of 308

Question 4 of 308

A sportsman runs around a circular track of radius rr such that he traverses the path ABABA B A B. The distance travelled and displacement, respectively, are

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Answer: (D) 3πr,2r3 \pi r, 2 r

Displacement =2r=2 r
Distance
=2πr+πr=3πr=2 \pi r+\pi r=3 \pi r

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