A spherical solid ball of volune V is made of a material of density d1. It is falling through a liquid of density d2 (d2<d1) . assume that liquid applies viscous force on ball proportional to square of its speed as F=kv^2(k>0).terminal speed of ball is ?
A spherical solid ball of volume V is made of a material of density ρ1. It is falling through a liquid of density ρ2(ρ2<ρ1). Assume that the liquid applies a viscous force on the ball that is proportional to the square of its speed v, i.e., Fviscous=−kv2(k>0). The terminal speed of the ball is.