IOM 2018, Блиц, английски — Задача 45

OLYMPIAD OF METROPOLISES. Moscow, September 3 · 3 септември 2018 г.

Условие

What average speed (in km/h) is reached by a regional train which departs from Cologne at 8.35 am and arrives punctually at 12.05 pm at Frankfurt am Main, 245 km away from Cologne.

The answer should be given in the SI units unless otherwise stated. If the numerical result turns out to be an integer, it should be given as the answer. Otherwise round the result to the first decimal. $g = 10\ \mathrm{m/s^2}$.

Отговори

Решение

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Оригинал в Архива: blitz.pdf · официални решения: blitz-answers.pdf