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What is a carrier wave and how does it affect what you hear on the radio
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(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
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Physics, 22.06.2019 15:40
If two parallel light rays hit a mirror, they will not be parallel to each other after they reflect.
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A2-kg sample of metal increases in temperature by 20 c when heated on a stove for 3 minutes. can you...
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