Question

(b) If the radius of a circular path is a rm,
then calculate the distance and
displacement travelled, if a person covers 1/2
of the path​

Answer 1

Answer:

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Answer 2

Explanation:

Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.