A piston-cylinder device, containing air at 255 kPa, loses heat to the surrounding atmosphere at a rate of 0.65 kW. At a given instant, the piston, which has a cross-sectional area of 0.020 m2, moves down with a velocity of 1 cm/s. Determine the rate of change of stored energy in the gas? +

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A piston-cylinder device, containing air at 255
kPa, loses heat to the surrounding
atmosphere at a rate of 0.65 kW. At a given
instant, the piston, which has a
cross-sectional area of 0.020 m2, moves
down with a velocity of 1 cm/s.
Determine the rate of change of stored
energy in the gas?
+
Transcribed Image Text:A piston-cylinder device, containing air at 255 kPa, loses heat to the surrounding atmosphere at a rate of 0.65 kW. At a given instant, the piston, which has a cross-sectional area of 0.020 m2, moves down with a velocity of 1 cm/s. Determine the rate of change of stored energy in the gas? +
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