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Physics, 22.06.2019 09:30
How would a small bar magnet be oriented when placed at position x?
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Physics, 22.06.2019 15:20
What component of earth’s atmosphere exists entirely as a result of photosynthesis?
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Physics, 22.06.2019 19:30
Refrigerant-134a flows through a carnot heat pump cycle at 0.5 kg/s. it is known that the maximum absolute temperature in the cycle is 1.1 times the minimum absolute temperature, and the net power input to the cycle is 2.5 kw. if the refrigerant changes from a saturated vapor to a saturated liquid during the heat rejection process, determine the maximum magnitude of the enthalpy of vaporization for this process in kj/kg (with 3 significant figures).
Answers: 3
Given that the frequency of an Em wave is 4THz, what is its wavelength? a) 75,000um b) 75,000nm c) 7...
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