Question: A soap bubble has a surface tension of S = 3 10-4 N/cm as it sits flat on a rigid ring of diameter 5

A soap bubble has a surface tension of S = 3 × 10-4 N/cm as it sits flat on a rigid ring of diameter 5 cm. You now blow on the film to create a half sphere surface of diameter 5 cm. How much work was done?

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