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A 1.5 m diameter spherical balloon containing air at 215 kPa is cooled such that the volume is reduced by 20%. For the process, the pressure is proportional to the square of the sphere diameter. Determine the work done in kJ.

A 1.5 m diameter spherical balloon containing air at 215 kPa is cooled such that the volume is reduced by 20%. For the process, the pressure is proportional to the square of the sphere diameter. Determine the work done in kJ.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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A 1.5 m diameter spherical balloon containing air at 215 kPa is cooled such that the volume is reduced by 20%. For the process, the pressure is proportional to the square of the sphere diameter. Determine the work done in kJ. 

flight of stairs in 8 sec, what horsepower did that student generate? 6. A 1.5 m diameter spherical balloon containing air at 215 kPa is cooled such that the volume is reduced by 20%. For the process, the pressure is proportional to the square of the sphere diameter. Determine the work done in kJ. 7. A closed system containing a gas undergoes a reversible compression process in which the internal energy decreases 17.25 kJ and the volume changes from 140 L to 55 L. The pressure is constant at 150 kPa. Determine
Transcribed Image Text:flight of stairs in 8 sec, what horsepower did that student generate? 6. A 1.5 m diameter spherical balloon containing air at 215 kPa is cooled such that the volume is reduced by 20%. For the process, the pressure is proportional to the square of the sphere diameter. Determine the work done in kJ. 7. A closed system containing a gas undergoes a reversible compression process in which the internal energy decreases 17.25 kJ and the volume changes from 140 L to 55 L. The pressure is constant at 150 kPa. Determine
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