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Question

# A tank with a flat bottom of area A and vertical sides is filled to a depth h with water. The pressure is Po at the top surface.(a) What is the absolute pressure at the bottom of the tank?(b) Suppose an object of mass M and density less than the density of water is placed into the tank and floats. No water overflows.What is the resulting increase in pressure at the bottom of the tank?

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We are given a tank whose bottom has an area $A$, the height of the liquid in the tank is $h$, and at the top of the liquid surface is $P_0$. **a)** We have to determine the absolute pressure at the bottom. **b)** Now additional object with a density less than the density of water $(\rho_0<\rho_w)$ is placed on the top of the liquid. The mass of the object is $M$. We have to determine the increase in absolute pressure at the bottom of the tank.

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