Предмет: Физика, автор: solomiagrytsiv

Рибалка протягом перших 2 годин рухалася на човні зі швидкістю 8 км/год, а потім зменшила швидкість до 5 км/год протягом наступних 3 годин. Знайдіть середню швидкість човна на всьому шляху

Ответы

Автор ответа: NeWoN09
3

Ответ:

ну вот так 31 км поделить на 5 годин ≈ 6 км ч

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