Kinetic and Potential Energy Review

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

The largest land predator is the male polar bear, which has a mass of around 500.00 kg. If the top speed of a male polar bear is 11.0 m/s, how much KE does it have?

• 15,400 Joules
• 129,987 Joules
• 30,250 Joules

Tags

NGSS.MS-PS3-1

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

NGSS.MS-PS2-4

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

Kinetic energy is the energy of ____________ and potential energy is the energy of ________.

• heat, position
• static, motion
• motion, position

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

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

The ability of a system to do work; required for changes to happen within a system

• Energy

• Energy Transformation

• Density

• Mass

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A unit used to measure energy

• Meter

• Joule

• Inches

• Jackson

All energy, potential and kinetic, within a specific system

• Joule

• Kinetic Energy

• Potential Energy

• Mechanical Energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

NGSS.MS-PS3-4

A book lying on a table. Is this an example of potential or kinetic energy?

• Potential Energy

• Kinetic Energy

• Total Energy

• Smart Energy

Tags

NGSS.MS-PS3-2