Kinetic Energy Calculation

What is the equation for calculating kinetic energy?

• mv

• 1/2 mv^2

• mgh

• Ft

Tags

NGSS.HS-PS3-2

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? (KE = 1/2mv²)

• 8.5 J

• 45 J

• 7.5 J

• 22.5 J

Tags

NGSS.MS-PS3-1

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball? (KE = 1/2mv²)

• 567 J

• 900 J

• 945 J

• 30 J

Tags

NGSS.MS-PS3-1

If the 0.3 kg marble was moving at 6 m/s at the bottom of the ramp, how much kinetic energy did the marble have? (KE = 1/2mv²)

• 5.4 J

• 1.8 J

• 3 J

• 6 J

Tags

NGSS.HS-PS3-2

If the 1.2 kg basketball rolls at 3 m/s, what is it's kinetic energy? (KE = 1/2mv²)

• 2.7

• 5.4

• 3.6

• 9

Tags

NGSS.HS-PS3-1

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

• 10 m/s

• 15 m/s

• 20 m/s

• 40 m/s

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

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

• 1035 kg

• 23.5 kg

• 12.8 kg

• 2.84 kg

Tags

NGSS.HS-PS3-1

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball?

Tags

NGSS.HS-PS3-1

What is the formula for calculating kinetic energy?

Tags

NGSS.HS-PS2-1

• 5.4 J

• 1.8 J

• 3 J

• 6 J

Tags

NGSS.HS-PS3-1