Fluid Mechanics and SHM question Question

[Swaraj M]

Can please anyone solve the following question in details...

A cylindrical object of outer diameter 10 cm height 20 cm and density 8000 kg/m3 is supported by a vertical spring and is half dipped in water. Spring constant is 500N/m.
(a) Find the elongation in the spring in equilibrium condition
(b)If the object is slightly depressed and released, find the time period of resulting oscillations of object.

Source: HC Verma Concepts of Physics part 1

Thanks for looking!

 

[Saitama]

Hi Swaraj M! Welcome to pf!

As per the rules, you need to show us your attempt at the problem before asking for help.