A skateboarder weighing 52.38 kg goes over a smooth circular hill. If the skateboarder's speed at point A is 28.31 m/s, what is his speed at the top of the hill (point B)? Use g=9.8 m/s2 . Derive first the working equation before you substitute the given data to avoid disparity from the correct answer. Round off answer up to two decimal places.

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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.