Задача id8979

A weight suspended on a spring oscillated vertically. When it had mass m1, the period of oscillation was equal to 0.6 sec, and when its mass was made equal to m2, the period became equal to 0.8 sec. What will be the period of oscillation of this load if its mass is equal to m1 + m2. (The numbers m1 and m2 are unknown.)

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