Kinetic Energy Problems

An object moving with a speed of 35 m/s has a kinetic energy of 1500 J, what is the mass of the object?

• 2.45 kg

• 1.23 kg

• 4.90 kg

• 6.00 kg

What is the mass of an object that is moving with a speed of 67 m/s and has a kinetic energy of 500 J?

• 0.22 kg

• 45 kg

• 0.63 kg

• 100 kg

What is the Kinetic Energy of a 478 kg object that is moving with a speed of 15 m/s?

• 53,775 J

• 7,812.5 J

• 140 J

• 88 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What is the Kinetic Energy of a 100 kg object that is moving with a speed of 12.5 m/s?

• 88 J

• 140 J

• 500 J

• 7,812.5 J

Tags

NGSS.HS-PS3-2

What is the mass of an object that is moving with a speed of 21 m/s and has a kinetic energy of 140 J?

• 478 kg

• 100 kg

• 0.63 kg

• 45 kg

Calculate the kinetic energy of a runner that has a mass of 80.0 kg and is running at a velocity of 8.00 m/s

• 5120 J

• 320 J

• 640 J

• 2560 J

Tags

NGSS.HS-PS3-2

A moving car.

• Potential

• Kinetic

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Energy due to motion is ____________ energy. 

• Potential 

• Energy

• Kinetic

• Friction

Tags

NGSS.HS-PS2-1

When a 66.25 kg skydiver jumps from a plane, her speed steadily increases until air resistance provides a force that balances the force due to free fall. How fast is the skydiver falling if her kinetic energy at the moment is 704000J?

• 146 m/s

• 145.95 m/s

• 22880.0 km/s

• 10830.76 m/s

Tags

NGSS.HS-PS3-1

The kinetic energy of a golf ball is measured to be 145.3 J. If the golf ball has a mass of about 48.0 g, what is its speed?

• 2.46 m/s

• 3367.55 m/s

• 2.47 m/s

• 6.09 m/s

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2