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Между двумя городами 100 км. Автомобиль с начала проезжает 50 км со скоростью 10км/ч а затем еще 50 км со скоростью 90км/ч. найдите среднею скорость автомобиля
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Предмет:
Физика -
Автор:
cinderjc2q - 6 лет назад
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Ответы 1
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Время в пути t=50/10+50/90=50/9 ч, Vср=100/(50/9/=18 км/час
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Автор:
roberto - 6 лет назад
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