KE and PE Quiz

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

The energy of motion. It is found in all moving objects. This is known as ____ .

• potential energy
• friction
• kinetic energy
• gravity

What is the KE of a football which has a mass of 0.8 kg and is kicked at a velocity of 10m/s?

• 80 J

• 3.2 J

• 160 J

• 40 J

What is the kinetic energy of a zorb and human with a total mass of 90Kg rolling at 10m/s?

• 3,700J

• 900J

• 4,500J

• 6,500J

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

• 676 J

• 3.25 J

• 17J

• 338 J

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s?

• 200Kg

• 20,000Kg

• 10Kg

• 200Kg

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. How much kinetic energy does the ball have?

• 1890 J

• 3780 J

• 945 J

• 31.5 J

A golf pro swings his driver which has a mass of 0.75Kg at a velocity of 60 m/s. Calculate the kinetic energy of the club.

• 2700 J

• 16.9 J

• 1350 J

• 45 J

A rabbit with a mass of 3kg walks at a speed of 0.5m/s. Calculate its kinetic energy.

• 0.5 J

• 0.75 J

• 0.255 J

• 0.375 J

An explosion of gas from a Hawaiian volcano blows a rock into the sky. The rock reaches 100 meters in height. It has a mass of 5 kg. How much potential energy does the rock have before it begins falling back to earth?

• 500J

• 50J

• 4,900 J

• 49.05J