An object floating in water experiences a downward force due to gravity and an equal upward force due to its buoyancy, when it is in equilibrium position. When that object is displaced above its equilbrium position, it experiences a net force of Fnet= -Agyp. A= cross sectional area g= 9.8 m/s^2 y= displacement  p= density of fluid   Note that the buoyant force has the form of Hooke's law. What is the effective spring constant for this system, k?

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An object floating in water experiences a downward force due to gravity and an equal upward force due to its buoyancy, when it is in equilibrium position. When that object is displaced above its equilbrium position, it experiences a net force of Fnet= -Agyp.

A= cross sectional area

g= 9.8 m/s^2

y= displacement 

p= density of fluid

 

Note that the buoyant force has the form of Hooke's law. What is the effective spring constant for this system, k?

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