If V is speed of a moving vehicle, r is radius of the curve, g is the acceleration due to gravity, W is the width of the carriageway, the super elevation is

If V is speed of a moving vehicle, r is radius of the curve, g is the

1.	If V is speed of a moving vehicle, r is radius of the curve, g is the acceleration due to gravity, W is the width of the carriageway, the super elevation is
A.	WV/gr
B.	W²V/gr
C.	WV²/gr
D.	WV/gr²
Answer» D. WV/gr²