a body is moving along a circular path of radius R. what will be the distance travelled and displacement of the body when it completes half a revolution?
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As the object travelled half of the circular path so its distance will be half of the circumference ie 2πr/2 = πr . ...
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distance travelled by him will be the circumference of the circular path i.e
1/2 of 2pie R= pieR
displacement will be 2Ri.e the diameter of circular path
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