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Автор - Lalala1111111

найдите среднюю скорость самолета если 540 км он летел со скоростью 280 км/ч а затем еще 960 км пролетел за 3 часа

Ответ

Проверено экспертом

Автор - larisaorlova65
Vср= (S1+S2)/(t1+t2) = (S1+S2)/(S1/V1 +t2)
Vср= (540+960)/( 540/280 + 3) =1500/4,93=304км/ч

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