Задача 40415.

Material point oscillates according to the law x = 2,4cos5pt / 4 + n / 6), see. Find: a) the period and frequency of oscillation, displacement and velocity at time t = 0; b) the velocity and acceleration at time t = 1 s.

Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
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