Question

let a particle is moving in a circular path of radius r the magnitude of displacement of the particle after covering 1/4 of circle in

Answer 1

Answer:

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Step-by-step explanation:

The displacement is the minimum distance between the initial position and final position.  

Suppose a particle starts at a point A at the periphery of the circle and after covering 1/4 the circle, particle is at point B.  

The minimum distance between points A and B is AB which is also the radius of the circle.

Therefore, displacement after covering 1/4 the circle =radius=r

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