With what terminal velocity will an air bubble 0.8 m in diameter rise in a liquid of viscosity 0.15 Ns m^-2` and specific gravity 0.9 ? What is the terminal velocity fo the sam ebubble in water?

Calculate the terminal velocity of air bubble of radius 10^-5 m rising in water of viscosity 10^-2 Nsm^-2 . Density of water 10^3 kg m^-3 and density of air is negligible as compared to water.

A battery of e.m.f. 10V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, What is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?

A wave moves a distance of 8 m in 0.05 s. Find the velocity of the wave.

A storage battery of emf 8.0 V and internal resistance 0.5 Omega is being charged by a 120 V dc supply using a series resistor of 15.5 Omega . What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?

In the given progressive wave y=5sin (100pit-0.4 pix) where y and x are in m, t in s. What is the wave velocity