Предмет: Физика, автор: stankevichmary07

100 баллов

человек шёл по прямолинейной траектории 1/3 часть пути со скоростью 10км/ч затем 1/3 часть пути со скоростью 3 км/ч и ещё 1/3 часть пути со скоростью 15 км/ч. определить среднюю скорость человека.

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Автор ответа: Cohendd

1

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