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The necleus of an atom is made up of what subatomic particles?
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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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The mechanical advantage of a wheel and axle is 8.93 x 10^-2. if the wheels output force is 2.22 x 1...
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