Physics, 20.07.2019 14:00 BIKRAMlawati9684
If the humidity in a room of volume 450 m3 at 30 ∘c is 75%, what mass of water can still evaporate from an open pan?
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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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A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?
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If the humidity in a room of volume 450 m3 at 30 ∘c is 75%, what mass of water can still evaporate f...
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