A Spar Buoy Is a Cylindrical Object That Floats with Its

A spar buoy is a cylindrical object that floats with its axis in the vertical direction. When it is disturbed a distance h from its equilibrium position, the magnitude of the restoring force is equal to ρghS, where ρ is the density of the water and S is the cross-sectional area of the cylinder. A certain spar buoy has a mass of 150 kg, a cross-sectional area of 2.50 m², and is floating in seawater, ρ = 1025 kg/m³. What is the frequency of ocean waves which will cause it to resonate?

A) 12.9 Hz
B) 2.06 Hz
C) 7.19 Hz
D) 17.1 Hz
E) 2.72 Hz

Correct Answer:

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