A car is driving on a flat, circular track and accelerates uniformly from rest with a tangential acceleration aT = 1.6 m/s^2 . The car makes it one-quarter of the way around the circle and then skids off the track. What is the coefficient of static friction between the car and the track?

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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.