Question

Two spherical rain drops of
equal size are falling vertically through air with a terminal velocity 0.0150m/s what is the terminal velocity of these
two drops colease to form a large spherical drop.​

Answer 1

Answer:

br> Let r be radius of small rain drops and R the radius of large drop. <br> Equating the volumes, we have <br><br>or<br><br><br>