1.

A string is warapped around a cylinder of mass m and radius r. The string is also connected to a block of same mass m with the help of another pulley as shown in figure. The angular acceleration of the cylinder is ( friction is sufficient for rolling ) ( all pulleys are ideal)

Answer»

`(G(2- sin theta))/(16 R)`
`(2g(4- sin theta))/(35 R)`
`(7G(3- sin theta))/(25 R)`
`(g(2- sin theta))/(12 R)`

ANSWER :B


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