Three m^3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 295 K, 200 kPa. The air receives 154
6 kJ of work from the paddle wheel. Assuming the ideal gas model, determine for the air the mass, in kg, final temperature, in K, and the amount of entropy produced, in KJ/K
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Answer:
Explanation:
P = Power = 50 kW
n = Number of photons per second
h = Planck's constant =
= Frequency = 781 kHz
r = Distance at which the photon intensity is i = 1 photon/m²
Power is given by
Photon intensity is given by
The distance is