Question

A particle is moving around a circular path of radius ‘r’. The displacement after half a circle would be

Answer 1

Answer:

Given, after half the circle, the particle will reach the diametrically opposite point i.e., from point A to point 6. ... Hence, the displacement after half circle is 2r.

Explanation:

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Answer 2

Displacement at half path is the shortest distance between the initial and final point.

So, it's equal to twice the radius of the circle =2r

solution