Vocabulary
The law that states that energy cannot be created or destroyed but can be changed from one form to another
What is the Law of Conservation of Energy
What is the Unit of mass
What is a kilograms (kg)
Energy in the form of moving waves of light
What is Light (Radiant) Energy
2 steps
rubbing hands together to make them warm
What is mechanical to thermal
Determine the kinetic energy of a 1000-kg roller coaster car that is moving with a speed of 20.0 m/s.
Solve for Kinetic Energy
What is 200,000 j
The percentage of the input work that is converted to output work
What is efficiency
What is the unit for forces?
What is a newton
Energy caused by the movement of electrons
Electrical Energy
2 steps
A roller coaster from start to finish
What is mechanical to mechanical
(or potential to kinetic)
You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s.
Solve for Kinetic Energy
What is 945 J
A force that is put on an object by another object
What is applied force
What is a joules.
A form of potential energy that is stored in bonds between atoms
What is Chemical Energy
Three steps:
Using a battery powered flashlight
What is chemical - to electrical - to light
Missy Diwater, jumped from a diving board and had a kinetic energy of 15,000 J prior to hitting the pool. If Missy has a mass of 50 kg, what was her velocity?
What is 24.5 m/s^2
A system that can exchange neither energy nor matter with its surrounding
What is an isolated system
What is the unit for acceleration
meters per seconds squared
The total energy of motion in the particles of a substance
What is thermal energy
2 steps
A windmill producing power
What is mechanical to electrical
A 75 kg refrigerator is located on the 70th floor of a skyscraper (300 m above the ground). What is the potential energy of the refrigerator?
What is 220,500 j
The path followed by a projectile flying or an object moving under the action of given foces
What is Trajectory
What is a watt
The amount of energy transferred or converted per unit time.
What is power
2 steps
A plant growing
What is radiant (light) to chemical
What is the mass of an object that creates 33,750 J of energy by traveling at 30 m/s? Solve for kinetic energy.
What is 75 kg