Question

A particle is moving in a crcular path of radius "r, The displacement after half a circle would be:
(a) zero
(b) pi*r
(c)2*r
(d) 2*pi*r

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Answer 1

Answer:

C is the answer.

Step-by-step explanation:

Hope it helps you.

Answer 2

Answer:

pie *r

may be it helps you dear friend