Four particles have speed 2,3,4 and 5 cm/s respectively. Their rms spe

1.	Four particles have speed 2,3,4 and 5 cm/s respectively. Their rms speed is :
Answer» 3.5 cm/s (27/2) cm/s 54 cm's (54/2) cm/s Solution :`U_(RMS) = SQRT((2^2 + 3^2 + 4^2 + 5^2)/(4))`

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