Physics, 18.11.2020 19:00 jonmorton159
Measurement: a comparison of an BLANK quantity to an BLANK quantity with BLANK BLANK Please help fill in the blanks
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Physics, 22.06.2019 01:00
Velocity is a description of both speed and direction, therefore it - a vector - a force arrow - the same as acceleration - a magnitude
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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)
Answers: 3
Physics, 23.06.2019 06:00
What is offspring? why does a longer life span mean a higher chance of producing offspring?
Answers: 3
Measurement: a comparison of an BLANK quantity to an BLANK quantity with BLANK BLANK
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