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[" 7.A mass "m" hangs with the help of a...

[" 7.A mass "m" hangs with the help of a string "],[" wrapped around a pulley on a frictionless "],[" bearing.The pulley has mass "m" and radius "R.],[" Assuming pulley to be a perfect uniform "],[" circular disc,the acceleration of the mass "m,],[" if the string does not slip on the pulley,is "],[[" (a) "g," (b) "(2)/(3)g," (c) "(g)/(3)," (d) "(3)/(2)g]]

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