Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 5000 meters, circling O'Hare Airport prior to landing. Noah observes that the plane completes each round trip in 400 seconds. (a) What is the speed of the airplane? (b) What is its centripetal acceleration? (c) What is the centripetal force felt by the passengers of the plane?

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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.