Savchenko Solutions
Collaborative Physics Problem Solutions
RU
Problems
Problem database
2,023 problems, 14 chapters
Unsolved
Problems awaiting solutions
Learn
Study Guide
How to approach problems
Study Paths
Structured problem courses
Tools
Formulas, units, LaTeX
Recommendations
Physics channels and sites
Community
Discussion
Help and Q&A forum
Blog
Articles and news
Contributors
Contributor rankings
Challenges
Weekly competitions
What next
RU
Log in
Problems
Problem database
Unsolved
Learn
Study Guide
Study Paths
Tools
Recommendations
Community
Discussion
Blog
Contributors
Challenges
What next
Log in
Suggest
Suggest
13.3.8
/
History
/
#15679
The solution before revision
#15679
of
Nov 2, 2025, 7:19 AM
, by
astrosander
. This is not the current version.
After it
Changes
Current version
Условие
Решение
Ответ
К задаче
$13.3.8$
