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Physics, 22.06.2019 11:30, genyjoannerubiera
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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Physics, 22.06.2019 14:40, allenpaietonp9v8sv
What is the orbital period of a spacecraft in a low orbit near the surface of mars? the radius of mars is 3.4×106m.
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Physics, 22.06.2019 22:00, morganzahn16
It takes a lot of energy to get the temperature of water to increase and eventually boil because water has a high heat.
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Hi i am bored anybody want to talk...
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