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| A physical measurement thst contains directional information |
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| A physical measurment that doesn't contain directional information |
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| The time rate of change of an object's velocity |
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| Friction that opposes motion once the motion has already started |
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| Friction that opposes the initiation of motion |
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| A small package of light that acts like a particle |
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| The amount of charge that travles past a fixed point in an electrical curcuit each second |
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| The ability of a material to impede the flow of charge |
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| The sum of the numbers of neutrons and protons in the nucleus of an atom |
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| Atoms with the same number of protons but a different number of neutrons |
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| The number of protons in an atom |
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| A wave with the direction of propogation that is perpendicular to its direction of oscillation |
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| A wave with a direction of propogation that is paralell to its direction of oscillation |
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| Any speed that is faster than the speed of sound in the substance of interest |
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| A transverse wave composed of an oscillating electric field and a magnetic field that oscillates perpandicular to the electric field |
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| The angle of reflection equals the angle of incidence |
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| The process by which two or more small nuclei fuse to make a bigger nucleus |
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| The process by which a large nucleus is split into smaller nuclei |
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