1500 kg vehicle is rounding a frictionless-banked curve which is elevated at 25° incline. How fast must the vehicle be moving in order to maintain the same height all the way around the curve? The curve has a 320 m radius of curvature at the roads midpoint.

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.