What happens to a roller coaster speed as it moves down a hill?

While going down the hill, the roller coaster picks up more and more speed. The potential energy the cart had at the top of the hill transforms into kinetic energy at the bottom of the hill. Because you are moving so fast, you have a very high kinetic energy, and a very low potential energy.



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The maximum speed of a roller coaster is determined by the height at which the train is released or the energy input into the system via a launch, but there are additional factors that determine how far it will roll before stopping.

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Two of the most significant are friction and air resistance. As you ride a roller coaster, its wheels rub along the rails, creating heat as a result of friction. This friction slows the roller coaster gradually, as does the air that you fly through as you ride the ride.

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Introduction. A roller coaster is a machine that uses gravity and inertia to send a train of cars along a winding track. The combination of gravity and inertia, along with g-forces and centripetal acceleration give the body certain sensations as the coaster moves up, down, and around the track.

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The first hill of a roller coaster is always the highest point of the roller coaster because friction and drag immediately begin robbing the car of energy.

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We see that velocity of the roller coaster is independent of its mass and is solely dependent on local g and initial h . Therefore, for an ideal roller coaster an empty roller coaster or a full roller coaster will take the same amount of time for a single trip.

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There is a strong relationship between the height and speeds of the roller coasters, that is, in general, faster roller coasters tend to be taller.

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