A body is moving with constant speed, in a circle of radius 10 m . The body completes one revolution in 4 s . At the end of 3 r d second, the displacement of body (in m ) from its starting point is:

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Give: r = 10 m , T = 4 s . Displacement is defined to be the change in position of an object. As we can see from the above figure, displacement will be d = r 2 + r 2 ⇒ d = 10 2 m

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