Centre of Mass
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let the origin be at a distance of X1 from the centre of mass of trey and at a distance of X2 from centre of mass of ice X= MX1+mX2/M+m when the ice melt the centre of mass will come down by a distance=L/2 (assuming the water will form very thin layer on tray hence now X1' =X1 X2'=X2-L/2 new centre of mass X'= X1*M+(X2-L/2)m /M+m = X-L/2*(m+M) |
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Beat others otherwise they will beat u |
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