A circular platform is free to rotate in a horizontal plane about a vertical axis passing throug...

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A circular platform is free to rotate in a horizontal plane about a vertical axis passing through its centre. A tortoise is sitting at the edge of the platform. Now, the platform is given an angular velocity \( \omega_{0} \). When the tortoise moves along a chord of the platform with a constant velocity (w.r.t. the platform), the angular velocity of the platform \( \omega(t) \) will vary with time \( t \) as :
(A)
(B)
(C)
(D)
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