Chapter 13
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
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Power
The rate at which work is done.
Energy
The ability to do work or cause change.
Gravitational Potential Energy
Potential energy that depends on the height of an object.
Elastic Potential Energy
The energy of stretched or compressed objects.
Free Fall
The motion of a falling object when the only force acting on it is gravity.
Mechanical Energy
Kinetic or potential energy associated with the motion or position of an object.
Thermal Energy
The total energy of all the particles of an object.
Nuclear Energy
The potential energy stored in the nucleus of an atom.
Chemical Energy
The potential energy stored in chemical bonds.
Electromagnetic Energy
A form of energy that travels through space as waves.
Kinetic Energy
The energy of matter in motion.
Fossil Fuels
A material such as coal that forms over millions of years from the remains of ancient plants and animals; burned to release chemical energy.
Solar Energy
Energy from the sun
Law of Conservation of Energy
Energy cannot be created nor destroyed
Combustion
A rapid reaction between oxygen and fuel that results in fire.
Kinetic energy equation
ke=1/2mv^2
Potential Energy
PE=MHG
How energy is used/harnessed on earth?
Burning fossil fuels, turbines and water, and Windmills