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Floating and Sinking

A uniform rod...

Question

A uniform rod of density p is placed in a wide tank,containing a liquid of density po(po>p).the depth of liquid in the tank is half the length of the rod.the rod is in equilibrium with its half the length of the rod with its lower end resting on the bottom of the tank.in this position the rod makes and angle thetha with horizontal,find it.

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