GPE and KPE Practice

 A 3-kg watermelon  is dropped from a height of 4 meters. What is its potential energy at the top?

• A) 78.4 J

  
  

• B) 117.6 J

Tags

NGSS.MS-PS3-2

What is the kinetic energy of a 1,500-kg electric car traveling at 10 m/s?

• A) 7,500 J

• B) 75,000 J

Tags

NGSS.MS-PS3-1

If the velocity of a 2-kg puppy running  is 8 m/s, what is its kinetic energy?

• A) 16 J

• B) 32 J

• C) 64 J

Tags

NGSS.MS-PS3-1

A 50-kg diver is standing on a diving board that is 10 meters high. What is her potential energy?

• A) 4,900 J

• B) 5,000 J

• C) 50,000 J

Tags

NGSS.MS-PS3-2

A moving box has 588 J of potential energy when placed 3 meters above the ground. What is its mass?

• A) 10 kg

• B) 15 kg

• C) 20 kg

Tags

NGSS.MS-PS3-2

What is the velocity of a 4-kg cat with 64 J of kinetic energy?

• A) 6.5 m/s

• B) 32 m/s

• C) 5.65 m/s

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

A marble with a mass of 0.5 kg is rolling at a velocity of 12 m/s. What is its kinetic energy?

• A) 24 J

• B) 36 J

Tags

NGSS.MS-PS3-1

A boulder has 1,960 J of potential energy when it is at the top of a 20-meter-high cliff. What is its mass?

• A) 5 kg

• B) 10 kg

• C) 15 kg

A person climbs up a 2-meter-high ladder. If they weigh 70 kg, what is their potential energy at the top of the ladder?

• A) 1,372 J

• B) 1,400 J

If the kinetic energy of the wind  is 200 J and its mass is 4 kg, what is its velocity?

• A) 5 m/s

• B) 10 m/s

Tags

NGSS.MS-PS3-1