Physics, 30.06.2021 21:10 mazielynn84
A force of 50N is applied on a 5kg object to produce an acceleration of 6m/s2 from rest. what is the value of the friction force that opposes the motion
Answers: 2
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Abird sitting high in a tree is an example of what type of wnergy
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What is the measurement of how fast an object moves relative to a reference point?
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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
A force of 50N is applied on a 5kg object to produce an acceleration of 6m/s2 from rest. what is the...
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