Answer:
No curve is not banked properly.
Explanation:
Free body diagram is given below in the attachment.
for the figure we can clearly observe that
N cosθ= mg....................................................(1)
N sinθ= [tex]\frac{mv^2}{r}[/tex]..................(2)
dividing equation (2) by (1) we get
tanθ=[tex]\frac{v^2}{rg}[/tex]
[tex]\theta=tan^{-1}(\frac{v^2}{rg} )\\\theta=tan^{-1}(\frac{24.5^2}{120\times 9.81} )[/tex]
θ=26.98°
hence calculated θ is more than the given hence it is not banked properly.