Задача 11015.

A cargo weighing 120 g hangs on threads wound on a disc weighing 0.8 kg and a radius of 5 cm. After what time will the cargo pass a distance of 2 m?

A detailed solution with a summary of the condition, formulas and laws used in the solution, the derivation of the formula and the answer.
If you have any questions about the solution, write. I try to help.