Kinetic Energy

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

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

• 45,167 joules

Which is the best example that something has kinetic energy?

• a car parked on a steep hill

• a tennis ball rolling across the court

• a picture hanging on the wall

• a piece of coal before it's burned

The SI unit in which kinetic energy is measured is

• newtons

• kilograms

• joules

• metres per second

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

NGSS.MS-PS3-4

How much kinetic energy does a moving 6 kg object have if it moves with a velocity of 3 m/s?

• 27 J
• 18 J
• 9 J
• 2 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

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

NGSS.MS-PS3-5

What is the kinetic energy of a ball with a mass of 5kg rolling at 10m/s

• 50 J

• 500 J

• 250 J

• 25 J

Tags

NGSS.MS-PS3-1

A 60 kg Ewok is travelling at a constant speed of 7 m/s. What is its kinetic energy in kJ?

• 1.47 kJ

• 210 kJ

• 147 kJ

• 1470 kJ

What is the kinetic energy of a 1500 gram object moving at a velocity of 100 m/s

• 112.5 J
• 7,500,000 J
• 75 J
• 7,500 J

Tags

NGSS.MS-PS3-1