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Physics, 21.06.2019 22:30
The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into a. heat b. work c. input force d. output force
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Physics, 22.06.2019 07:40
An object's buoyant force and weight mean the same thing.a. trueb. false
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Physics, 22.06.2019 09:10
The air that we breath is made mostly of which gaseous molecule
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Physics, 22.06.2019 14:30
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 type of reaction will produce radiation...
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Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57
Mathematics, 13.06.2020 23:57