Question

a curve on a highway forms an arc of radius 49m .if the road is bend 5m wide and outer edge is 1m higher than inner edge .the road is ideally banked for a speed of ............. in m/s is

Answer 1

v=√[hrg/x]=9.8m/s
$\sqrt{(1 \times 49 \times 9.8) \div 5 \\ = 9.8$