Предмет: Физика, автор: andreyfrolov030

Задание 2: Реши задачу (3 балла)
Самолёт пролетает 300 км за 2часа, следующие 100 км со скоростью 180
км/ч. Какова средняя скорость движения на всём пути?
Дескриптор: обучающийся
-определяет весь пройденный путь самолёта
-вычисляет время движения
-использует формулу для определения средней скорости движения тела.

СДЕЛАЙТЕ ПЖ СРОЧНО,ДАЮ 23 БАЛЛА!!
Заранее спасибо!​

Ответы

Автор ответа: bevitan
1

Ответ:

157 km/ч

Объяснение:

V cp = S oбщ/ t oбщ

S oбщ = 300km+100km = 400 km

t oбщ = 2 ч + 100/180= 2,55 ч

V cp = 400 km/2,55 ч = 156,86 km/ч


andreyfrolov030: спасибо!
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