A body is moving along a circular path of radius r What will be the displacement of the body when it completes half a revolution?

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π r

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2 π r

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Solution

The correct option is B 2r
Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.

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A body is moving along a circular path of radius r What will be the displacement of the body when it completes half a revolution?

The correct option is B 2rDisplacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.

The correct option is B 2r
Displacement is the shortest distance travelled from the initial point to the final point. After half revolution the displacement is the length of the diameter which is equal to 2r. Hence the displacement is 2r.