Solution of task 13.4.19 from the collection of Kepe OE
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13.4.19
A body suspended from a spring with a stiffness coefficient c = 700 N / m makes free vertical vibrations with an amplitude of 0.2 m.
Determine the mass of the body if the oscillations start from the position of static equilibrium with an initial velocity of 4 m / s.
(Answer 1.75)