Introduction to Energy

Question 1

If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy is[___]J.

Revolt · Accepted Answer

2,000; If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy isJ.: 2,000; Once the roller coaster train gets closer to the bottom of the hill, its kinetic energy increases to 1,100 J, and its potential energy decreases to J.: 900; When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isJ.: 2,000

Question 2

500✔ 9001,1002,000

Revolt · Accepted Answer

900

Question 3

5001,1001,500✔ 2,000

Revolt · Accepted Answer

2,000

Question 4

is all kineticis all potential✔ is losing kinetic and gaining potentialis losing potential and gaining kinetic

Revolt · Accepted Answer

is losing kinetic and gaining potential

Question 5

is all kinetic✔ is all potentialis losing kinetic and gaining potentialis losing potential and gaining kinetic

Revolt · Accepted Answer

is all potential

Introduction to Energy Answers

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