Defs of Physics
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Last updated 5:23 AM on 1/25/23
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39 Terms
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Electron
A subatomic particle that has a negative charge
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Proton
A subatomic particle that has a positive charge and that is found in the nucleus of an atom
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Neutron
A subatomic particle that has no charge and that is found in the nucleus of an atom
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Entropy
A measure of disorder or randomness.
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Enthalpy
The heat content of a system at constant pressure
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Quarks
particles of matter that make up protons and neutrons
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Leptons
Any of a family of particles like electrons and neutrinos
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Neutrinos
One of the by-products of the proton-proton chain are these weird particles that can go through anything called
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Amount of substance
mole (mol)
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electric current
ampere
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luminous Intensity
candela (cd)
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Frequency
Hertz (Hz)
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Force
Newton
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Pressure
Pascal
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Energy
Joule (J)
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power
Watt (W)
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Electric charge
Coulomb
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capacitance
farad
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electric potential difference
volt
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electric resistance
ohm
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Magnetic Flux
weber
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Magnetic Flux Density
tesla
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Luminous Flux
lumen
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Radioactivity
becquerel
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Inductance
Henry
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distance from the Sun to an astronomical object
parsec
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Measures atmospheric pressure
barometer
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Measures Latitude
sextant
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torque
the rotational equivalent of linear force
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Acceleration
rate of change of the velocity of an object with respect to time.
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velocity
directional speed of an object in motion
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momentum
the product of the mass and velocity of an object.
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inertia
a tendency to do nothing or to remain unchanged
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spin
the total angular momentum, or intrinsic angular momentum, of a body.
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HNO₃
Nitric acid
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Alpha Particles
2 protons 2 neutrons, or a helium nucleus
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Beta Particles
Radiation composed of electrons
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photon
light particle
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work
movement of an object against a force
Note 
Flashcards (28)