Physics Problem: Maximum Tension for a Swinging Mass

A mass is swinging on a string that can support a maximum tension of 20 Newtons. If the mass is released from rest in the horizontal position, what is the largest mass that can swing and NOT break the string?
I'm working through chapter summaries for introductory physics (algebra-based). I'm using the Openstax online (free) textbook College Physics. You can access this book here openstax.org/d...
Here is the playlist with all the videos and problems for this course.
• Online Physics 1 2024

[@fizixx]

wonderful problem.....I may put that in Python. 🐍

[@michaelbascom1649]

Wait wait 20/ 3×9.81 =?