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Which graph shows the variation with amplitude a of the intensity i for a wavelength for this spectrum
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A2 kg ball travellng to the right with a speed of 4 m/s collidees with a 5 kg ball traveling to the left with a speed of 3 m/s. take right to be the positive direction. what is the total momentum of the two balls before they collide? what is the total momentum of the two balls after they collide?
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Which best describes the difference between internal and thermal energy?
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Which graph shows the variation with amplitude a of the intensity i for a wavelength for this spectr...
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