Правка разделов «Statement», «Solution», «Answer»
en/4.5.19.md
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| @@ -1,13 +1,13 @@ | |||
| ### Statement | |||
| − | $4.5.19.$ [Insert the problem statement] | ||
| + | $4.5.19.$ The outer radius of a soap bubble is R, the thickness of its wall is h. Find the air pressure inside the bubble. The air pressure outside the bubble is P0, the surface tension of water is σ. | ||
| ### Solution | |||
| − |  | ||
| #### Answer | |||
| − | [Insert a concise answer or boxed result] | ||
| + | P = P= P0+2σ(1/R+1/(R-h)) | ||
| @@ -1,13 +1,13 @@ | |||
| ### Statement | ### Statement | ||
| $4.5.19.$ [Insert the problem statement] | $4.5.19.$ The outer radius of a soap bubble is R, the thickness of its wall is h. Find the air pressure inside the bubble. The air pressure outside the bubble is P0, the surface tension of water is σ. | ||
| ### Solution | ### Solution | ||
|  | ||
| #### Answer | #### Answer | ||
| [Insert a concise answer or boxed result] | P = P= P0+2σ(1/R+1/(R-h)) | ||