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Physics, 22.06.2019 12:00
Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 13:40
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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Physics, 22.06.2019 17:00
If you wanted to move an electron from the positive to the negative terminal of the battery, how much work w would you need to do on the electron? enter your answer numerically in joules.
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A200 g ball is made to travel in a circle of radius 1 m on the end of a string. if the maximum force...
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