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Suppose a free fall ride at an amusement park starts at rest and is in free fall what is the velocity of the ride after 3.2 secs
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Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.
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What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th
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Suppose a free fall ride at an amusement park starts at rest and is in free fall what is the velocit...
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