Physics, 15.07.2019 20:10 shawn20034
If 1.50ร1020 electrons flow through a cross section of a 4.43 mm diameter silver wire in 7.15 s, then what is the drift speed of the electrons? (the density of conduction electrons in silver is n = 5.80ร1028 1/m3.)
Answers: 2
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Cathy is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling. cathy and her bicycle have a mass of 75 kg. assuming her bicycle is 100% efficient, what would her speed have to be?
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 โc/m.
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If 1.50ร1020 electrons flow through a cross section of a 4.43 mm diameter silver wire in 7.15 s, the...
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