help in physics

Active member

I have a question taken from one of the entrance exams. Please help me solve this.

The bob of simple pendulum executes SHM in water with a period T while the period of oscillation of the bob is T₀ in air. Neglecting the frictional force of water and given that density of the bob is 4000/3 kg/m³, what is the relationship between T and T₀ ?

How can you relate density to time period? I do not know how to solve this, please post the solution if you know how to solve.

Active member

hey...this is depressing...not even one found a way to help me?

Thank you