An object with mass 25 kg moves in a Banked curve with velocity 45m/s, if the radius of this curve 60 m find the following

1, the angle of the banked curve

2,Define the scalar field and give an example on it

An object with mass 40 kg moves in a Banked Curve with angle 37 ,if the radius of thiscurve 15 m ,find the following?

1.the velocity of this object

2,Define the Vector Field and give an example on ot