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Physics, 22.06.2019 07:20
If 2 moles of co_2 at 2l and 500k are expanded reversibly to 20l, more work can be obtained from an adiabatic process than from an isothermal process. is the above statement true or false?
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Physics, 22.06.2019 16:30
In a hydrogen molecule there are a total of four charges, 2 protons in the two nuclei, and 2 electrons. how many unique charge-pairs are there (without double counting)?
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Physics, 22.06.2019 20:00
What is the name of the perceived change in a sound wave’s frequency due to motion between the observer and the sound source?
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Physics, 23.06.2019 20:00
An olympic runner leaps over a hurdle. the acceleration of gravity is 9.81 m/s2 . if the runner’s initial vertical speed is 2.0 m/s, how much will the runner’s center of mass be raised during the jump?
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