IOM 2016, Блиц — Задача 75

Olympiad of Metropolises, Moscow. Blitz Contest, September, 5 · 5 септември 2016 г.

Условие

The answer should be given in SI-units and rounded to the nearest integer, unless otherwise is stated. $g = 10$ m/s$^2$.

A weight of 150 g composed of two weights glued together is suspended by a vertical spring. Initially the weight is at rest. When the glue dried up the lower weight of 50 g fell off. What is the upper weight acceleration (absolute value) just after the lower one has fallen off?

Решение

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Оригинал в Архива: blitz.pdf