Two identical steel balls are placed into containers with two different fluids, fluid a and fluid b. both containers have the same depth. both fluids have the same viscosity. the density of fluid a is larger than the density of fluid b. however, both fluids have a density less than that of the steel balls. which ball will reach the bottom of the container first?
a. both balls will reach the bottom at the same time
b. neither ball will ever reach the bottom
c. ball in fluid b
d. ball in fluid a