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Physics, 21.06.2019 15:00
An ambulance emits a frequency of 450 hz from its siren. what frequency is heard by a man as the ambulance moves toward him? less than 450 hz more than 450 hz 450 hz 0 hz
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Physics, 21.06.2019 21:30
Look at the potential energy diagram for a chemical reaction. which statement correctly describes the energy changes that occur in the forward reaction?
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Physics, 22.06.2019 04:30
In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 12:10
Does anyone have the answers to online physics course plato course physics, semester a v3.0
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find the attraction between the nucleus and the electron in a hydrogen atom knowing that the radius...
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