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A beam of monochromatic light with a wavelength of 640 nm in air travels into water. What is the wavelength of the light in water
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Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
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Physics, 22.06.2019 17:00
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
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A51 kg woman skis down a hill and her kinetic energy is 9.96e4 j. what is her speed?
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A beam of monochromatic light with a wavelength of 640 nm in air travels into water. What is the wav...
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