A problem by Ali HassanLevel pending
Four drops of water moving with a fluid velocity of 4m/s. If their radii is same, then on combining the four drops, what would be the resultant velocity of the resultant droplet?
Related Formulae of fluid dynamics: mass× acceleration due to gravity =6×pi×neta×radius×terminal velocity
Volume of sphere is V=4/3 × (pi×radius^3)