A change in composition or structure is called ____.
Transformation
Movement of energy through longitudinal waves
sound
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?
W = 13.2 J
Give energy transformation (2):
Chemical to Thermal
What is the blue arrow pointing to? (hint: greatest _________ energy)
Potential Energy
This type of energy includes microwaves and light
Radiant Energy
Geothermal heat is an example of this kinetic energy
Thermal Energy
Which book has greatest gravitational potential energy—
What is Geometry?
Give the energy transformation (3):
Chemical to mechanical to thermal
Is the arrow pointing to a point of greater potential or greater kinetic energy?
Kinetic
This energy is also known as heat
Thermal Energy
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 ?
This type of potential energy is stored in the bonds of atoms and molecules
Chemical Energy
Give the energy transformation for the entire process:
Chemical to electrical to radiant
Does Katniss’s arrow have more kinetic or more potential in this pic?
Potential
Two forms also known as motion
Mechanical and Kinetic Energy
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☺)
This type of potential energy is stored in the nucleus of an atom
What is Nuclear?
In every energy conversion, some energy is always converted to.....
Thermal Energy A.K.A Heat
At which point would the kinetic and potential energies be about equal?
B
Energy is neither created nor destroyed
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?
Which has the most potential energy?
What are P & R?
What energy process takes place when you rub your hands together when they are cold?
Motion (or mechanical) to thermal
Where is the point of greatest kinetic energy?
C