Lab: Kinetic Energy — Unit test Answers

Which is occurring when work is being done?

The table shows information about four students who are running around a track. Which statement is supported by the information in the chart?

Which set of terms best defines what affects kinetic energy and potential energy, respectively?

Which two types of potential energies would be types of mechanical energies?

What is the unit of measure for energy?

If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?

Seema knows the mass of a basketball. What other information is needed to find the ball’s potential energy?

When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change?

When Javier touches a hot mug of tea, energy is transferred from the surface of the mug to his hand. What kind of energy is this?

This diagram shows a skier moving down a hill.

If Jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, what is being done?

The table shows information about four objects resting at the top of a hill. Which object is on the tallest hill?

Atoms contain subatomic particles called protons and neutrons. When these protons and neutrons split, a lot of energy is released.

The amount of kinetic energy an object has depends on which feature of the object?

What is the kinetic energy of a ball with a mass of 0.5 kg and a velocity of 10 m/s? (Formula:)

The diagram shows a person holding a bow and arrow.

What is the energy of an object because of its potential and kinetic energies?

How does work affect energy between objects so it can cause a change in the form of energy?

A sled is at rest at the top of a slope 2 m high. The sled has a mass of 45 kg. What is the sled’s potential energy? (Formula: PE = mgh)

An object has a velocity of 8 m/s and a kinetic energy of 480 J. What is the mass of the object? (Formula: )