If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium super elevation is

If G is gauge is metres, V is speed of trains in km/hour and R is rad

1.	If G is gauge is metres, V is speed of trains in km/hour and R is radius of a curve in metres, the equilibrium super elevation is
A.	gvÂ²/r
B.	gvÂ²/17r
C.	gvÂ²/127r
D.	gvÂ²/130r
Answer» D. gvÂ²/130r