Предмет: Математика, автор: Аноним

Автомобіль їхав 3,6 год зі швидкістю 95 км/год і 1,4 год - зі швидкістю 50 км/год. Знайти середню швидкість руху автомобіля на всьому

Ответы

Автор ответа: elena20092

0

Ответ:

vcp = 82.4км/ч

Пошаговое объяснение:

t₁ = 3.6 ч

v₁ = 95 км/ч

t₂ = 1.4 ч

v₂ = 50 км/ч

----------------

vcp - ?

----------------

vcp = (v₁ · t₁ + v₂ · t₂) : (t₁ + t₂) = (95 · 3.6 + 50 · 1,4) : (3,6 + 1,4) = 82,4 км/ч

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