Предмет: Физика, автор: tumon2468

Техническая механика.физика

Приложения:

tumon2468: с объеснением пожалуйста

tumon2468: нужен полный ответ

Ответы

Автор ответа: marshmellii

Объяснение:

n=1,0781

т.к ответ таков

tumon2468: а какой вал ты использовал???

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