Edits to “Statement”, “Solution”, “Answer”

Daniil edited
revision #13562 parent #13561 ← older newer →
@@ -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
−![For problem $4.5.19$ |1700x2338, 31%](../../img/4.5.19/scan-0.png)
+![For problem $4.5.19$ |1700x2338, 100%](../../img/4.5.19/scan-0.png)
#### Answer
−[Insert a concise answer or boxed result]
+P = P= P0+2σ(1/R+1/(R-h))