A small metallic sphere of diameter 2 mm and density 10.5 g/cm3 is dropped into glycerine having a viscosity of 10 Poise and density of 1.5 g/cm3. The terminal velocity attained by the sphere is _______ cm/s. (Take π = 227 and g = 10 m/s2)

The ratio of the specific weight of a liquid to the specific weight of a standard fluid is known as:

The magnitude of the buoyant force depends on the _____________.

In incompressible fluid dynamics, the continuity equation is ∂u/∂x + ∂v/∂y + ∂w/∂z = 0. What physical law does this equation represent?