Physics, 12.11.2019 21:31 tahtahtw4887
An old lady uses a walker and is able to cross the street. is this inertia?
Answers: 2
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 22.06.2019 15:30, Christyy1837
What are the similarities & differences between a thermistor and a light dependent resistor in physics?
Answers: 2
Physics, 22.06.2019 18:00, maren17
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, 22.06.2019 20:30, carson9373
What are some important factors to consider when choosing a warm-up before your workout?
Answers: 2
An old lady uses a walker and is able to cross the street. is this inertia?...
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