A broad vessel, with a square base of edge 
is separated into two halves A and B, by a smooth vertical piston. A spring of spring constant 
is filled across the compartment A and the compartment B is filled with water to a height 20 cm.
Find the compression in the spring.
Text Solution
Verified by ExpertsThe correct answer is:
A
The force exerted on the spring, via the piston by water 
pressure at centroid of the piston 
area of the piston)
Now, if 
be the compression of the spring.
Then, for equilibrium, 
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