Question

derive an expression of terminal velocity​

Answer 1

Answer:

The terminal velocity acquired by the ball of radius r when dropped through a liquid of viscosity η and density ρ is, v=2r2(ρo−ρ)g9η. Note:Terminal velocity is defined as the maximum velocity attained by a body as it falls through a fluid. ... Since the net force on the body is zero, the body has zero acceleration.