Calculate Kinetic and Potential Energy

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

• 8.5 J

• 45 J

• 7.5 J

• 22.5 J

Tags

NGSS.MS-PS3-1

Calculate the potential energy of a car with a mass of 2,500 kg that is on a hill 100 meters above sea level.

• 250,000 J

• 2,450,000 J

• 2,451,663 J

• 248 J

Tags

NGSS.MS-PS3-2

A 5 Kg body is having a Kinetic energy of 250 J. What is the velocity of the body?

• 10 m/s

• 15 m/s

• 20 m/s

• 40 m/s

Tags

NGSS.MS-PS3-1

What is the mass of a ball that has a kinetic energy of 115 J and is traveling at 9 m/s?

• 1035 kg

• 23.5 kg

• 12.8 kg

• 2.84 kg

Tags

NGSS.MS-PS3-1

Label the energy flow of the waterfall flowing into a pool of water.

a

b

c

potential energy

kinetic energy

potential energy

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Drag the relative energy labels to the correct point on the image.

• E

• Most PE

• B

• Mix of PE and KE, but of the points with a mix, this one has a more equal mix of PE and KE

• D

• Mix of PE and KE, but of the points with a mix, this one has the most PE

• A

• Most KE

• C

• A mix of PE and KE, but of the points with a mix, this one has the most KE

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

At which point does the roller coaster car have the greatest potential energy?

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-2

Click on where the rollercoaster has the MOST potential energy.

Label the roller coaster

a

b

c

d

Minimum Potential Energy

Minimum Kinetic Energy

Maximum Kinetic Energy

Maximum Potential Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Label with positions with the greatest potential energy and greatest kinetic energy.

a

b

Kinetic Energy

Potential Energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-4