The velocity of a small ball of mass 0.3 g and density 8 g / cc when dropped in a container filled with glycerine becomes constant after some time.…

The velocity of a small ball of mass $\displaystyle 0.3$ g and density $\displaystyle 8 \mathrm{~g} / \mathrm{cc}$ when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is $\displaystyle 1.3 \mathrm{~g} / \mathrm{cc}$, then the value of viscous force acting on the ball will be $\displaystyle x \times 10^{-4} \mathrm{~N}$, The value of $\displaystyle x$ is \_\_\_\_. $\displaystyle \left[\right.$ use $\displaystyle \left.\mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2\right]$