Question

A particle moves in a circle of radius R. The distance covered by the particle in half of its revolution is
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Answer 1

When it completes half a revolution,

Distance traveled/Pathlength will be equal to half of the circumference of the circle. That is = (pie)(R).

Whereas Displacement is defined to be = final position - initial position. Or you can think of displacement as the shortest path from initial position to the final position. It comes out to be the diameter of the circle = 2R.

Answer 2

Answer:

2r is your answer

Explanation:

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