Предмет: Физика, автор: varf

На гладкой горизонтальной поверхности стола находится доска массой 5 кг. На доске находится брусок массой 0,2 кг. Коэффициент трения между бруском и доской равен 0,25. К бруску прикладывают горизонтальную силу 0,7 Н. Найдите ускорение бруска. Принять g = 10 м/с2.

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Автор ответа: gleb445

округли до 11
самая простая задачка)

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