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What are the frequency and wavelength ranges of visible light?
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F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?
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Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?
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Physics, 22.06.2019 13:40
Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
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Physics, 22.06.2019 16:30
Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
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What are the frequency and wavelength ranges of visible light?...
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