Question

A particle is moving in a circular path of radius r. This displacement after half a circle would be :

(a)πr
(b) Zero
(c) 2r
(d) 2π r​

Answer 1

Answer:

2r

Explanation:

in a semi circle with radius r , the shortest path taken to reach the destination is displacement i.e 2r

Answer 2

After half a circle its displacement is =its diameter

so the answer is 2r

plz mark it as brainliest