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[" 35.In the arrangement shown,a block o...

[" 35.In the arrangement shown,a block of unknown mass "m_(3)" is connected to two blocks "],[" of known masses "m_(1)=8kg" and "m_(2)=4kg" by light inextensible strings.If the tension in "],[" the string joining block "2" and block "3" is "(m_(1)g)/(2)" ,find the mass of block "3" .Assume no "],[" friction."]

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