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Physics, 22.06.2019 01:00
When you turn on a battery-operated device, an electrical circuit is
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Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?
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Physics, 22.06.2019 12:00
Explain why electric current cannot exist if a current doesn't have a voltage source.
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Physics, 22.06.2019 18:00
Air enters a gas turbine with two stages of compression and two stages of expansion at 100 kpa and 17°c. this system uses a regenerator as well as reheating and intercooling – the intercooler returns the air to the inlet temperature. the pressure ratio across each compressor is 4 ; 300 kj/kg of heat are added to the air in each combustion chamber; and the regenerator operates perfectly while increasing the temperature of the cold air by 20°c. determine the system’s thermal efficiency. assume isentropic operations for all compressor and the turbine stages and use constant specific heats at room temperature. (0.378)
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Summarize the event, date of the event, location and 2-3 statistics about the event Deepwater Horizo...
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