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The first hill on a roller coaster the largest one. The potential energy at the
top of the hill gives the roller coaster train enough energy to make it through
the ride and back into the station. Which law explains this situation?

A. Law of Inverse Square
B.Law of Gravity
C.Law of Conservation of Energy
D. Law of Conservation of Momentum

Sagot :

Answer:

B.Law of Gravity

Explanation:

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. At the top of the first hill, a car's energy is almost entirely gravitational potential energy (because its velocity is zero or almost zero).

Roller coasters are ruled by the Law of Inertia. Since an object at rest, stays at rest, at the beginning of the ride a stationary roller coaster is at rest and will need to be pushed or pulled along to get it started. Most are pulled up a large hill called a lift hill.

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