Mechanics | Relativity Answers

A sperical drop of water has 2.5 mm radius .if the surface tension of water is 70 into 10 raise to power minus three N /m , then excess pressure inside the drop is ??????????????????????????

water rises to a height h when a capillary of radius r is dipped in water .for another capilllary of radius 2r dipped in water , it rises to the height

A liquid does not wet a solid surface if the ange of contact for given pair of liquid and solid surfaces is

The amount of work done in blowing up a soaps bubble of radius 2cm is (given surface tension of soap solution =4 into 10 raise to poer minus 2 N/m)

Water flows at a speed 5 cm/s through a pipe of radius 2cm .the viscosity of water is 0.001 pl.The reynolds number and the nature of flows are respectively ...........????????????????????????/

Eight raindrops each of radius R fall through air terminal velocity 6 cm / s square .what is the terminal velocity of the bigger drop formed by coalescing these drops together ???????????????

The terminal velocity of sphere of radius R ,falling in a viscous fluid , is proportional to ????????????????????????????????????????????????????????????????????

An open water tank has an orifice 10cm below the surface of water .if there is no loss of energy ,then what is the speed of efflux ???????????????????????????????? (take g=10 m/s square )

A block of density (D) floats in a liquid with its one third volume immersed .the density of the liquid is ??????????????????????????????????????????????????????

The pressure at a point in water is 10N /m square .the depth below this point where the pressure becomes double is (given density of water =10 raise to power three kg/m cube; g=10m/ s square)