Potential and Kinetic Energy

Question 1

Complete these sentences. 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. 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. When the train reaches the bottom of the track and is traveling along the ground, its kinetic energy isJ.

Revolt · Accepted Answer

D: 2,000

Question 2

Question 2

Revolt · Accepted Answer

71916

Question 3

Question 3

Revolt · Accepted Answer

72168

Question 4

Question 4

Revolt · Accepted Answer

C

Question 5

Question 5

Revolt · Accepted Answer

D

Question 6

Question 6

Revolt · Accepted Answer

D

Question 7

Determine how potential and kinetic energy changes at each position of the pendulum as the ball swings from A to E. Position A: Position B: Position C: Position D: Position E:

Revolt · Accepted Answer

Selection 1: is all potential; Selection 2: is losing potential and gaining kinetic; Selection 3: is all kinetic; Selection 4: is losing kinetic and gaining potential; Selection 5: is all potential

Question 8

Read the scenario and solve these two problems. When traveling at top speed, a roller coaster train with a mass of 12,000 kg has a velocity of 30 m/s. The kinetic energy of the train at top speed isJ. Given this kinetic energy, what is the tallest hill this roller coaster train can reach the top of? The train can climb a hill that ism high.

Revolt · Accepted Answer

Selection 1: 5,400,000; Selection 2: 46

Question 9

Question 9

Revolt · Accepted Answer

B: 900

Question 10

Question 10

Revolt · Accepted Answer

77277

Potential and Kinetic Energy Answers

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