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A horizontal plane supports a stationary...

A horizontal plane supports a stationary vertical cylinder of radius R and a disc A attached to the cylinder by a horizontal thread AB of length `l_0` (figure, to view). An initial velocity `v_0`

is imparted to the disc as shown in the figure. How long will it move along the plane until it strikes against the cylinder? The friction is assumed to be absent.

Text Solution

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The correct Answer is:
`[t=t_(0)^(2)//2v_(0)R]`
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