Word problems kinetic and potential energy

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

NGSS.MS-PS2-4

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

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

A exercise ball is on a table 2.5 m above the ground. What is the mass of the ball if it has a GPE of 56.8 J?

• 71 kg

• 22.72 kg

• 142 kg

• 2.32 kg

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

Ty 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

• 24,500 Joules

• 4,500 Joules

Tags

NGSS.MS-PS3-2

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?

• 1457 Joules

• 22,584 Joules

• 15 Joules

• 45,167Joules

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Calculate the kinetic energy of a moving 4 kg object travelling at a velocity of 3 m/s.

• 18 J
• 36 J
• 12 J
• 6 J

Tags

NGSS.MS-PS3-1

What is the kinetic energy of a 4kg shotput thrown with a velocity of 13m/s

• 676 J

• 52 J

• 17J

• 338 J

Tags

NGSS.MS-PS3-1

A baby carriage sitting at the top of a hill is at a height of 21 m high. The carriage with the baby has a mass of 1.22 kg. What kind of energy does the carriage have and how much?

• potential energy and 1.75 J

• potential energy and 251 J

• kinetic energy and 251 J

• kinetic energy and 1.75 J

Tags

NGSS.MS-PS3-2