Question

Please solve the q202 ?

Answer 1

(2)

Explanation:

If X is the length of the rod (of total length L and x-sect area A) that is submerged:

• mass of displaced fluid: `rho_o X A`

• mass of rod: `rho L A`

According to Archimedes' principle, they are equal:

• `rho_o X A = rho L A implies L/(2X) = rho_0/(2 rho)`

Because the fluid has depth `L/2`, then:

`sin theta = L/(2X) = rho_0/(2 rho)`