Four particles have velocity 1, 0, 2 and 3 m/s. The root mean square velocity of the particles (definition wise) is

3.5 m / s

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\sqrt{3.5} m / s

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1.5 m / s

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\sqrt{\frac{14}{3}} m / s

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Solution

The correct option is B $\sqrt{3.5} m / s$
Root mean square of the four velocities, $v_{r m s} = \sqrt{\frac{1^{2} + 0^{2} + 2^{2} + 3^{2}}{4}} = \sqrt{3.5} m / s$

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Four particles have velocity 1, 0, 2 and 3 m/s. The root mean square velocity of the particles (definition wise) is

The correct option is B √3.5m/sRoot mean square of the four velocities, vrms=√12+02+22+324=√3.5m/s

The correct option is B $\sqrt{3.5} m / s$
Root mean square of the four velocities, $v_{r m s} = \sqrt{\frac{1^{2} + 0^{2} + 2^{2} + 3^{2}}{4}} = \sqrt{3.5} m / s$