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[" 20.Two bodies of masses "m(1)" and "m...

[" 20.Two bodies of masses "m_(1)" and "m_(2)" are connected a light "],[" string which passes over a frictionless massless pulley.If "],[" pulley is moving upward with uniform acceleration "(9)/(2)" .then "],[" tension in the string will be "],[[" (a) "(3m_(1)m_(2))/(m_(1)+m_(2))g," (b) "(m_(1)+m_(2))/(4m_(1)m_(2))g],[" (c) "(2m_(1)m_(2))/(m_(1)+m_(2))g," (d) "(m_(1)m_(2))/(m_(1)+m_(2))g]]

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