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A body of mass 50kg resting on a smooth ...

A body of mass 50kg resting on a smooth inclined plane is connected by a massless inextensible string passing over a smooth pulley, at the top of the inclined plane have another mass of 40 kg as shown in the figure. The distance through which 50 kg mass fall in 4 sec will be - (The angle of the inclined plane is `30^(@)`)

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