Conserve linear momentum along the linear direction.
A boy of mass 60 kg is standing over a platform of mass 40 kg placed over a smooth horizontal surface.He throws a stone of mass 1kg with velocity v=10m/s at an angle of 45° wrt ground .Find the displacement of the platform(with boy) on the horizontal surface when the stone lands on the ground.
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UP 0 DOWN 0 0 1