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Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?
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A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.
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The work function for a metal surface is 3.82 eV. What is the largest wavelength of light in nm that...
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