Physics, 01.12.2019 21:31 gameranonymous266
Ajet aircraft is traveling at 291 m/ s in horizontal flight. the engine takes in air at a rate of 63.8 kg/s and burns fuel at a rate of 1.21 kg/s. the exhaust gases are ejected at 667 m/s relative to the aircraft. find the thrust of the jet engine and the delivered power.
Answers: 1
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In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
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Physics, 22.06.2019 17:30
Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=
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Use 4 to 5 complete sentences, explain the concepts of beats and how beats are produces.
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First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.
Answers: 2
Ajet aircraft is traveling at 291 m/ s in horizontal flight. the engine takes in air at a rate of 63...
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