An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first hill. The chain exerts a force of 2,524 newtons on the car. How much kinetic energy does the car gain from the work done on it? Use the formula Change in KE = F * d.

Question

Physics

Cael Lawrence

21 June, 01:34

An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first hill. The chain exerts a force of 2,524 newtons on the car. How much kinetic energy does the car gain from the work done on it? Use the formula Change in KE = F * d.

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Angie Chambers · Answer 1

The energy added here is potential energy since it is moving upward 180 meters in a gravitational field. This is then turned into KE when it rolls down. 2524N x 180m = 454,320J