IOM 2016, Блиц — Задача 72

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 small cart of mass $m$ is initially at rest. It collides with a large cart of mass $2m$ riding at a speed of 3 m/c. The large cart transfers half of its kinetic energy to the little cart. Determine the velocity of little cart after the collision.

Решение

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Оригинал в Архива: blitz.pdf