Решение задачи по физике раздел 53 пункт 24 механика

24. The load suspended on a thread length l = 98 cm, evenly circumferentially rotated in a horizontal plane. Find the rotation period of the load, if it rotates the thread is deflected from the vertical at an angle α = 60 °?

Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)