Задача 11125.

The load on the spring harmonically fluctuates with an amplitude of 2 cm and a period of 2 s. At the initial moment of time, he passed the position of equilibrium. Determine the acceleration of the load after 31 s. After the beginning of the countdown.

A detailed solution with a brief entry of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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