The pressure of water inside the closed pipe is `3xx10^5 N//m^2`. This pressure reduces to `2xx10^5 N//m^2` on opening the valve of the pipe. Calculate the speed of water flowing through the pipe `(rho=1000 kg//m^3)`.

The reading of pressure meter attached with a closed pipe is 3.5 xx 10^(5)Nm^(-2) . On opening the valve of the pipe, the reading of the pressure meter is reduced to 3.0 xx 10^(5) Nm^(-2) . Calculate the speed of the water flowing in the pipe.

If the density of oxygen is 1.44 kg//m^3 at a pressure of 10^5 N//m^2 , find the R.M.S. velocity of oxygen molecules.

The bulk modulus of a gas is 6xx10^(3) N//m^(2). The additional pressure needed to reduce the volume of the liquid by 10% is

Find the KE of 5 litres of a gas at STP given standard pressure is 1.013 xx 10^5 N//m^2 .

Calculate the rise of water inside a clean glass capillary tube of radius 0.1 mm when immersed in water of surface tension 7 xx 10^-2N//m . The angle of contact between water and glass is zero, density of water = 1000 kg//m^3, g = 9.8 m//s^2

The speed of water is 2m//s through a pipe of internal diameter 10 cm. What should be the internal diameter of nozzle of the pipe if the speed of water at nozzle is 4m//s ?

A swimmer is swimming in a swimming pool at 6 m below the surface of the water. Calculate the pressure on the swimmer due to water above. rho_1=1000 kg//m^3 , g=9.8 m//s^2