Question

A roller coaster track is a good example of the law of conservation of energy. Use this law to explain these facts about a roller coaster track. a. The largest hill for a roller coaster track is the first hill on the track. The hills after the first are smaller and smaller. b. To get to the top of the first (highest) hill, a motor pulls the cars up to the top. After the top of the first hill, a motor is not needed to keep the cars going. c. The roller coaster car moves really fast at the bottom of a hill on the track but slows down as it moves up a hill (not including the first hill).

Answer 1

C. The roller coaster car moves really fast at the bottom of a hill on the track but slows down as it moves up a hill (not including the first hill).

Answer 2

The law of Conservation of Energy explains all of these observations ... a, b, and c .