In the amusement park ride Mr. Freeze, riders are uniformly accelerated from rest by magnetic induction motors along a 70 meter horizontal track in just 5 seconds. While accelerating, friction exerts 500N of force on the train. Then the train coasts through the loops and turns of the remainder of the ride. A train loaded with passengers has a mass of 2500 kg.    What is the gravitational force on the ride? What force does the magnetic induction motor apply to the ride? What is the coefficient of kinetic friction between the track and the ride? What is the net force acting on the ride as it accelerates?

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