The speed of six different molecules in a gas are `25 m s^(-1), 20 ms^(-1), 30 m s^(-1), 15 m s^(-1), 10 m s^(-1)` and `25 m s^(-1)`. Calculate the average speed and also the root mean square of the gas.

Define average speed and r.m.s. speed of a gas molecule.

At 27^(@)C a gas contains 10 molecules travelling with a speed of 4 ms^(-1) , 20 molecules travelling with a speed of 5 m s^(-1) and 40 molecules travelling with a speed of 8 m s^(-1) . Calculate the average speed, root mean square speed and most probable speed of the gas at 27^(@)C .

A sample of a gas contains 15 molecules with a speed of 3m s^(-1) , 25 molecules with a speed of 5 m s^(-1) and 30 molecules with a speed of 8 m s^(-1) . Calculate root mean square speed of these molecules.

A number of particles each of mass 10 g are in motion. 20% of the particles have speed 10 m s^(-1), 50% of particles speed 30 m s^(-1) and 30% have speed 40 m s^(-1) . Calculate the root mean square speed of the particles.

A number of particles each of mass 10 g are in motion. 20% of the particles have speed 10 m s^(-1), 50% of particles speed 30 m s^(-1) and 30% have speed 40 m s^(-1) . Calculate the root mean square speed of the particles.

Convert the following speeds into km h^(-1) . 10 m s^(-1)

Convert the following speeds into km h^(-1) . 15 m s^(-1)

Two molecules of a gas have speeds of 9 xx 10^6 m s ^-1 and 1 x 10^6 m s ^-1 , respectively. What is the root mean square speed of these molecules.

The R.M.S . Speed of the molecules of a gas of density kg m^(-3) and pressure 1.2xx10^(5)Nm^(-2) is:

The speed of molecules are given by 2 m/s, 3m/s, 4 m/s, 5 m/s, and 6 m/s. the mean square speed is