Power, work, energy

Which point has the most potential energy?

• G

• F

• B

• A

When you stretch a rubber band, you are storing __________ energy. 

• kinetic 
• potential
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-2

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

When a pendulum swings, at which point is potential energy at its greatest?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS3-2

Which would have the greatest gravitational potential energy?

• A 4lb rat on a school desk
• A 45lb dog in an oak tree
• A 14 pound platypus on a swing
• A 45lb child on a bike

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

At which point is potential energy greatest?

• W
• X
• Y
• Z

Tags

NGSS.MS-PS3-2

A 0.40 kilogram bird is flying at a constant speed of 8.0 m/s. What is the bird's kinetic energy ?

• 3.2 J
• 4.2 J
• 2.0 J
• 12.8 J

Tags

CCSS.8.EE.A.2

A 2600 kilogram car is moving at a speed of 25 m/s. How much kinetic energy does the car have?

• 427,500 J
• 237,500 J
• 437,500 J
• 537,500 J

Tags

NGSS.MS-PS3-1

A 60.0 kg person walks from the ground to the roof of a 74.8 m tall building. How much gravitational potential energy does she have at the top of the building?

• 43982.4 J
• 63982.3 J
• 43962.4 J
• 83942.4 J

Tags

NGSS.MS-PS3-2

A pitcher throws a 0.145 kg baseball at a velocity of 30.0m/s. How much kinetic energy does the ball have?

• 65.35 J
• 87.25 J
• 23.45 J
• 65.25 J

Tags

NGSS.MS-PS3-1