Vocab
Kinetic Energy
Potential Energy
Transformations
Greatest potential and Kinetic
100
A change in composition or structure is called ____.
What is Transformation
100
Movement of energy through longitudinal waves
What is sound?
100
If a force of 14.7 N is used to drag the loaded cart (from previous question) along the incline for a distance of 0.90 meters, then how much work is done on the loaded cart?
What is W = 13.2 J?
100
Give energy transformation (2):
Chemical to Thermal
100
What is the blue arrow pointing to? (hint: greatest _________ energy)
Potential Energy
200
This type of energy includes microwaves and light
What is Radiant Energy?
200
Geothermal heat is an example of this kinetic energy
What is Thermal Energy?
200
Which book has greatest gravitational potential energy—
What is Geometry?
200
Give the energy transformation (3):
Chemical to mechanical to thermal
200
Is the arrow pointing to a point of greater potential or greater kinetic energy?
Kinetic
300
This energy is also known as heat
What is Thermal Energy?
300
Missy, the former platform diver for the Ringling Brother's Circus, had a kinetic energy of 12 000 J just prior to hitting the bucket of water. If Missy's mass is 40 kg, then what is her speed?
What is v = 24.5 m/s ?
300
This type of potential energy is stored in the bonds of atoms and molecules
What is Chemical?
300
Give the energy transformation for the entire process:
Chemical to electrical to radiant
300
Does Katniss’s arrow have more kinetic or more potential in this pic?
Potential
400
Two forms also known as motion
What is Mechanical and Kinetic Energy?
400
Name two ways to increase kinetic energy of a roller coaster.
Higher hills; steeper drop; increase mass of cart; velocity, increase the number of carts (any of these count☺)
400
This type of potential energy is stored in the nucleus of an atom
What is Nuclear?
400
In every energy conversion, some energy is always converted to.....
Thermal Energy A.K.A Heat
400
At which point would the kinetic and potential energies be about equal?
B
500
Energy is neither created nor destroyed
What is the Law of Conservation of Energy?
500
Determine the kinetic energy of a 625-kg roller coaster car that is moving with a speed of 18.3 m/s.
What is KE = 1.05 x105 Joules?
500
Which has the most potential energy?
What are P & R?
500
What energy process takes place when you rub your hands together when they are cold?
Motion (or mechanical) to thermal
500
Where is the point of greatest kinetic energy?
C