6. A car slows from 20.0 m/s to rest in 4.0 seconds. While traveling at 20.0 m/s, its wheels spin at a rate of 40.0 rad/sec. a. What is the angular acceleration of the wheel, as the car stops? b. Through what angle does the wheel travel as the car comes to a ston?

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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.