If we hang a body of mass \( m \) with the cord in problem 21 , \( \mathrm{P} \) the tangential ...

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If we hang a body of mass \( m \) with the cord in problem 21 ,
\( \mathrm{P} \) the tangential acceleration of the disc will be \( \operatorname{disc}(M, R) \)
W
(1) \( \frac{m g}{M+m} \)
(2) \( \frac{m g}{M+2 m} \)
(3) \( \frac{2 m g}{M+2 m} \)
(4) \( \frac{M+2 m}{2 m g} \)
(0)
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