Energy

Units

100

What are the units for velocity?

m/s (meters/second)

200

What two factors are taken into consideration when using acceleration units?

V and t (velocity and time)

300

Taking mass x velocity² will give you _____ units.

Joule

400

When you know energy and a spring constant, you are solving for ______ units.

Length

500

What unit do you get when you take into account mass, acceleration, and height?

J (Joule)

Kinetic Energy

100

Kinetic energy is ______________ energy

moving

200

Kinetic energy takes into account what variables?

Mass and velocity

Gravitational PE

100

The "h" in the gravitational energy equation

height

200

The value of "g" in the equation

9.8 m/s² or 10 m/s²

300

True or False: A child running at the base (bottom) of a hill has GPE

False

Spring Energy

100

The use of this object is required if you are solving for spring energy

spring

Conservation of Energy

100

True or false: energy can be created or destroyed.

False

200

What are the types of energy found in this equation?

"At position A, a cart with mass 8.0 kg is moving 5.0 m/s on a level floor. At position B, it has stopped as it compresses a spring with spring constant of 50 N/m. How far was the spring compressed past its resting length?"

KE (Kinetic Energy) and PEs (Spring Potential Energy)