Physics, 30.04.2021 05:10 melanie12566
Light travels through a material at a speed of 7.5 x 108 m/s. What is the index of refraction for the material?
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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Arailroad car collides with and sticks to an identical railroad car that is initially at rest. after the collision, the total kinetic energy of the two cars is a) the same as before. b) half as much as before. c) one third as much as before. d) one fourth as much as before. e) twice as much as before.
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Light travels through a material at a speed of 7.5 x 108 m/s. What is the
index of refraction for...
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