Potential energy
What is the potential energy equation?
PE = mass x gravity x height
Equation for Power
Power = Work / Time
What does kinetic energy apply to?
What is anything in motion?
This energy cannot travel in outer space
What is sound energy?
This is the label for mass.
What is kg?
What parts of the potential energy equation equal weight and should always be combined if solving for height?
What is mass x gravity
This is the equation for calculating work.
What is force x distance?
These two things influence kinetic energy.
What is mass and velocity?
What two types of energy does friction produce?
What is thermal and sound?
This is the label for distance and height.
What is meters?
9.8 m/s^2
What is the force of gravity.
How much power is needed to carry a 22 kg object 5 meters upstairs in 10 seconds? (Find Potential Energy first)
107.8 J
This is the equation for kinetic energy.
What is KE = 1/2mv^2.
Light energy is a type of _____________________ radiation?
What is electromagnetic?
This is the label for energy.
What is joules?
If you are in a 50 kg roller coaster with 24.5 kJ of potential energy at the top of the first hill, how high off the ground are you?
50 meters
A battery contains 20 J of energy which powers a motorized car. How far can a 4 newton force push the car?
5 meters
What is the kinetic energy of a cheetah that is 24 kg and is running at 31 m/s?
11,532 J
This is the nuclear energy process that splits nuclei
What is fission?
This is the label for weight and force.
What is Newtons?
This is the potential energy if a 2 kg object is 20 m in the air.
What is 392 J
A father uses 120 N to lift a little girl 3 m in the air. This is how much work he does.
What is 360 J?
If kinetic energy is doubled, velocity is __________________
Quadrupled
The sun uses this process to produce nuclear energy
What is fusion?
This is the lable for power.
What is watts.