Задача 40068.

The period of oscillation of a mathematical pendulum is 10 s. The length of this pendulum is equal to the sum of the lengths of other mathematical pendulums, one of which has an oscillation frequency of 1/6 Hz. What is the period of oscillation of the second of these pendulums?

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
If you have any questions regarding the solution, please write. I try to help.