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Light thread is slightly wound on a unif...

Light thread is slightly wound on a uniform solid cylinder of radius `R`. The cylinder is placed on a smooth horizontal table and thread is pulled horizontally as shown by applyig a constant force `F`. How much length of the thread is unwound from the cylinder by the time its kinetic energy becomes equal to `k`.

A

Heat absorbed by the gas is `1/12RT_(0)`

B

Heat absorbed by the gas is `11RT_(0)`

C

Work done by the gas is `2RT_(0)`

D

Change is internal energy of gas is `9RT_(0)`

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