Derive an expression for the initial acceleration of a completely submerged object of…

PHYSICS · Subjective · CBSE · Physics · Gravitation · Gravitation

Problem

Derive an expression for the initial acceleration

a

of a completely submerged object of uniform density

\rho_{\text{obj}}

and volume

V

when it is released from rest in a fluid of density

\rho_{\text{fluid}}

. Ignore any drag forces and express your answer in terms of

\rho_{\text{obj}},\,\rho_{\text{fluid}}

, and

g