Question

check the accuracy of the relationship v=2rg where v is velocity r is radius g acceleration due to gravity
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Answer 1

Answer:

Explanation:

We know v = k garb where K is a dimensionless constant.

[v] = [garb]

[L T −1] = [(LT −2)a Lb]

If we equate the powers on both sides we get

 a+b = 1

-1 = -2a

On solving we get a= ½ and b = ½

Therefore, v α (gr)1/2

So v2/rg is dimensionless.