Potential and Kinetic Energy Math

Gravitational potential energy depends on the ________ and ________ of the object.

• Height and mass

• Friction and movement

• Mass and Movement

• Height and Friction

What is the potential energy of a person flying down from a height of 1000 m that has a mass of 70 kg?

• 1070 J

• 700,000 J

• 686,000 J

• 9800 J

What is the potential energy of a ball at a height of 10 m that has a mass of 10 kg?

• 9.8 J

• 980 J

• 1000 J

• 20 J

What is the potential energy of a piece of paper falling off your desk from a height of 1 meter, if it has a mass of 0.05kg

• 4.9 J

• 9.8 J

• 0.5 J

• 0.49 J

What is the potential of a soccer ball that is coming down if it has a mass of 0.35 kg and is coming down from a height of 7 meters.

• 2.45 J

• 24.5 J

• 3.43 J

• 68.6 J

What is the energy of a 1325 kg mass that is rolling at a speed of 1.5 m/sec?

• 19.4775 J

• 19477.5 J

• 1490.625 J

• 1.497 J

What is the energy of a 35 kg mass that is falling at a speed of 2 m/sec?

• 35 J

• 70 J

• 686 J

• 37 J

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

You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. The ball has ____ kinetic energy. Calculate it.

• 1890 J

• 3780 J

• 945 J

• 31.5 J

A rabbit of mass 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