Question

find the speed (vrms) of this nine different particles are
5,8,12,12,12, 14, 16 , 17, 20.
​

Answer 1

Answer:

1) The average speed is the sum of speeds divided by the total number of particles. Hence, Average speed, vector V= (5+8+12+12+12+14+14+17+20)/9 = 12.7mls

2) The average value of the square of speeds is given by:-

(Upload in the attachment)

3) Three of particles have a speed of 12m|s; two have a speed of 14m|s and the remaining have different speeds. Therefore, the most probable speed,   VmP = 12 m/s.

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