Power and Energy

Calculate the kinetic energy of a 2 kg rock that rolls down the hill with a velocity of 8 m/s.

• 64 Joules

• 16 Joules

• 128 Joules

• 8 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Calculate the kinetic energy of a truck that has a mass of 2900 kg and is moving at 55 m/s.

• 4,386,250 J

• 159,500 J

• 79,750 J

• 8,772,500

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Barry Bonds swings a bat which has a mass of 1.5 kg at a velocity of 55 m/s. How many joules of kinetic energy could he give to a baseball?

• 2269 Joules

• 83 Joules

• 41 Joules

• 4 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Calculate the kinetic energy of a car which has a mass of 1000 kg and is moving at the rate of 20 m/s.

• 200,000 Joules

• 20,000 Joules

• 10,000 Joules

• 40,000 Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Calculate the potential energy of a rock with a mass of 55 kg while sitting on a cliff that is 27 m high.

• 14,553 Joules

• 1,485 Joules

• 2 Joules

• 743 Joules

A cinder block is sitting on a platform 20 m high. It has a mass of 8 kg. Calculate the potential energy of the cinder block.

• 1,568 Joules

• 160 Joules

• 3 Joules

• 28 Joules

Tags

NGSS.MS-PS3-2

There is a bell at the top of a tower that is 45 m high. The bell has a mass of 20 kg. Calculate the potential energy of the bell. 

• 8,820 Joules

• 900 Joules

• 2 Joules

• 65 Joules

Tags

NGSS.MS-PS3-2

The ability to do work (move) is called...

• Matter

• Energy

• Weight

• Force

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is kinetic energy?

• moving energy

• potential energy

• stored energy

• renewable energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Which has the most kinetic energy?

• A caught baseball

• A turtle swimming

• A parked car

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5