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A cylinder of radius R has been placed i...

A cylinder of radius R has been placed in a corner as shown in the fig. A wedge is pressed against the cylinder such that its inclined surfaces touches the cylinder at a height of `(2R)/(5)` from thw ground. Now the wedge is pushed to the left at a constant speed `V = 15 m//s`. With what speed will the cylinder move?

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The correct Answer is:
`20 m//s`
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