A spherical ball of radius 3.0xx10^(-4)m and density 10^(4) kg//m^(2) falls freely under gravity through a distance h before entering a tank of water. If after entering the water the velocity of the ball does not change, find h in km. Viscosity of water is 9.8xx10^(-6)N^(-s)//m^(2).

A spherical ball of radius 3.0xx10^(-4)m and density 10^(4) kg//m^(2)

1.	A spherical ball of radius 3.0xx10^(-4)m and density 10^(4) kg//m^(2) falls freely under gravity through a distance h before entering a tank of water. If after entering the water the velocity of the ball does not change, find h in km. Viscosity of water is 9.8xx10^(-6)N^(-s)//m^(2).
Answer» `1.65` `2.65` `3.65` `4.65` ANSWER :A