1. A spherical balloon contains air at P1 = 120 kPa and is placed in a vacuum. It has an initial diameter of D1 = 0.3 m. The balloon is heated until its diameter is D2 %3D = 0.4 m. It is known that the pressure in the balloon is proportional to its diameter. Calculate the work of expansion.

1. A spherical balloon contains air at P1 = 120 kPa and is placed in a vacuum. It has an initial diameter of D1 = 0.3 m. The balloon is heated until its diameter is D2 %3D = 0.4 m. It is known that the pressure in the balloon is proportional to its diameter. Calculate the work of expansion.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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please solve this question. Thank you very much

A spherical balloon contains air at P1 = 120 kPa
and is placed in a vacuum. It has an initial diameter of
D1 = 0.3 m. The balloon is heated until its diameter is D2
1.
= 0.4 m. It is known that the pressure in the balloon is
proportional to its diameter. Calculate the work of
expansion.

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