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

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A Zero
B πr
C 2r
D (1/2)πr²

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Answer: C. 2r

Answer: (c) 2r
Explanation: Displacement is the shortest distance between initial and final positions. In half a circle, the particle moves from one end of the diameter to the other, making the displacement equal to the diameter.

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

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