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Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
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What explosion in the upper solar atmosphere releases about as much energy as millions of 100-megaton hydrogen bombs exploding simultaneously?
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Two ropes support a 15.0 kg load between them. determine the magnitude of the tension force in each of the ropes. t1 points nw at an angle of 15.0 degrees to the horizontal. t2 points ne at an angle of 20.0 degrees to the vertical.
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An is a current-carrying wire wrapped around an iron core....
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