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152. In the above problem the angular velocity of the cylinder, after the masses fall down through distance h, will be

(a)      1/R√{(8 mgh)/(M+4m)}

(b)     1/R√{8 mgh/(M+m)}

(c)      1/R√{mgh/(M+m)}

(d)      1/R √{8 mgh/(M+2m)}

Ans. a

(27)

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