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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A rectangular tank having base 15 cm * 20 cm is filled with water (density rho = 1000 kg/m^3) up to 20 cm height. One end of an ideal spring of natural length h0 = 20 cm and force constant K = 280 N/m is fixed to the bottom of the tank so that the spring remains vertical.

A rectangular tank having base 15 cm * 20 cm is filled with water (density rho = 1000 kg/m^3) up to 20 cm height. One end of an ideal spring of natural length h0 = 20 cm and force constant K = 280 N/m is fixed to the bottom of the tank so that the spring remains vertical.

attached to a spring of force constant k which is rigidly fixed on the wall on left side Figure shows a block P of mass m resting on a smooth horizontal surface shown in the figure. At a distance l to the right of block there is a rigid wall.