A roller coaster of mass 380.0 kg is moving with a speed of 2.50 m/s at point A, at a height of h= 60.0m from the ground (see the figure). The radius of the circular loop is 22.0 m. Neglect friction.  1.  Find the speed of the roller coaster at point C. 2.  Compute the normal force on the cart at point C.

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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.