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A particle moves in a circle of radius...

A particle moves in a circle of radius `R`. In half the period of revolution its displacement is …………… and distance covered is …………... .

A

Zero

B

`pi r`

C

`2 r`

D

`2pi r`

Text Solution

Verified by Experts

The correct Answer is:
( c)
As is clear from Fig., displacement after half a circle, starting from `A = vec(AB) = 2 r` (in magnitude).
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