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Physics, 22.06.2019 12:30
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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Physics, 22.06.2019 13:10
Most short-period comets do not have randomly oriented orbits because
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Find the electrostatic force between two protons that are 2.0 meters
apart. (charge of a proton = 1...
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