Question

3. A 950-kg cylindrical can buoy floats vertically in salt water. The diameter of the buoy is 0.900m. Calculate the additional distance the buoy will sink when a 70.0-kg man stands on top of it.

Answer 1

$\rho gV=mg,$

$\rho\frac{\pi d^2}4h=m,$

$h=\frac{4m}{\pi\rho d^2}=10~cm.$