Kinetic and Potential Energy

What kind of energy is in a moving skateboard?

• Potential
• Kinetic

Tags

NGSS.MS-PS3-1

What kind of energy is in a rock at the edge of a cliff?

• Potential
• Kinetic

Tags

NGSS.MS-PS3-2

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

A roller coaster has a mass of 250 kg, and is 50 meters above the ground, what is the potential energy?

• 122,625 Joules
• 5,600 Joules
• 234,799 Joules

Tags

NGSS.MS-PS3-2

Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.

• created, destryoed
• gravity, force
• heat, created

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

A baby carriage that is carrying twins is sitting at the top of a knoll that is 21 m high. The carriage
with the babies are 48kg. What is the Potential Energy of the twins and the carriage?

• 5,524 Joules
• 45,125 Joules
• 9,888 Joules

Tags

NGSS.MS-PS3-2

A weight lifter lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

• 12,789 Joules
• 24,525 Joules
• 4,500 Joules

Tags

NGSS.MS-PS3-2

Japan’s fasted high speed “bullet” trains, also known as the Shinkansen, travel at a speed of 88.9 m/s. It has an estimated mass of 480,000 kg. What is the maximum KE of this train?

• 259,000 Joules
• 1,896,770,400 Joules
• 10,444,678 Joules

Tags

NGSS.MS-PS3-1

What is the KE of a 1.00 kg hammer swinging at 20.0 m/s?

• 200 Joules
• 1500 Joules
• 950 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A cheetah can run briefly with a speed of 31.0 m/s. Suppose a cheetah with a mass of 47.0 kg runs at this speed. What is the cheetah’s kinetic energy?

• 15,500 Joules
• 22,583 Joules
• 15 Joules
• 45,543 Joules

Tags

NGSS.MS-PS3-1