Answer to Question #147001 in Physics for Princes Merianel Abelita

Question #147001

How much work must be done in blowing a spherical soap bubble 20 cm in diameter? The area of a sphere is 4πr² and the surface tension of the soap solution is 0.032 N/m.

Expert's answer

The work is

"W=A\\sigma=4\\pi r^2\\sigma=d^2\\pi\\sigma=4.02\\text{ mJ}."

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