Physics, 21.02.2020 06:07 abdullaketbi71
Air in the amount of 2 lbm is contained in a well-insulated, rigid vessel equipped with a stirring paddle wheel. The initial state of this air is 30 psia and 60 F. How much work, in Btu, must be transferred to the air with the paddle wheel to raise the air pressure to 40 psia? Also, what is the nal temperature of air?
Answers: 1
Physics, 21.06.2019 13:00
Zamir and talia raced through a maze. zamir walked 2 m north, 2 m east, 4 m south, 2 m east, 4 m north, 2 m east, 3 m south, 4 m east and 4 m north. talia walked 2 m north, 6 m east, 3 m south, 4 m east, and 4 m north. compare their displacements:
Answers: 2
Physics, 21.06.2019 23:30
Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?
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Physics, 22.06.2019 06:40
How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.
Answers: 1
Air in the amount of 2 lbm is contained in a well-insulated, rigid vessel equipped with a stirring p...
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