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in Physics by (57.1k points)
A block of mass M with a semicircualr of radius R, rests on a horizontal frictionless surface. A uniform cylinder of radius r and mass m is released from rest the top point A The cylinder slips on the semicircular frictionless track. How far has the block moved when the cylinder reaches the bottom (point B) of the track ? How fast is the block moving when the cylinder reaches the bottom of the track?
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1 Answer

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by (41.2k points)
Correct Answer - `(m(R-r))/(M+m)` to the left, `v=sqrt((2m^(2)g(R-r))/(M(M+m))`

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