9 What is the velocity v of a metallic ball of radius r

Last updated: 6/14/2023

9 What is the velocity v of a metallic ball of radius r falling in a tank of liquid at the instant when its acceleration is one half that of a freely falling body The densities of metal and of liquid are p and o respectively and the viscosity coefficient of the liquid is n r 8 1 p 20 2 9n 3 2 2 g 9n p 2 reg 9m 2p o A0 4 2r 8 9n p