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

[prasanna]

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

Answer:

(a)
= [L]

(b)

( c)

(d)

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