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[" 14.A cylinder uniform rod of mass "M"...

[" 14.A cylinder uniform rod of mass "M" and "z uarr],[" length "l" is pivoted at one end so that it can "],[" rotate in a vertical plane (see the figure)."],[" There is negligible friction at the pivot."],[" The free end is held vertically above the "],[" pivot and then released.The angular acceleration of the rod "],[" when it makes an angle "theta" with the vertical,is "quad [,3g],[" (a) "(2g)/(3l)sin theta," (b) "(3g)/(2l)cos theta," (c) "(2g)/(3l)cos thetaquad " (d) "(3g)/(2l)sin theta]]

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