Physics, 08.10.2019 05:00 aredding6282
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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An electric motor moves a chain that pulls the roller coaster car 180 meters to the top of the first...
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