Which of the following quantities have the dimensions of a speed?(a) , (b) at, (c) (2x/a)1/2, (d) (2ax)1/2

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mastering-physics

#1

Which of the following quantities have the dimensions of a speed?
image

Answer:
image

(a)image
= [L]

(b)image
image

( c)image
image

(d)image
image

The quantities with dimensions of speed are (b) at, and (d) image