Предмет: Физика, автор: zaza83

Сколько времени пассажир, находящийся у окна электричеки, движущей со скоростью 72км/я, будет видеть проходящий мимо него встречный поезд, скорость которого 15м/с , а длина 350м?

Ответы

Автор ответа: tana20101997

2

t=L/(V1+V2)=350/(20+15)=10 c

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