Предмет: Физика, автор: anytarur

Тело массой 1 кг движется прямолинейно согласно уравнению х=2+3t-2t^2. Какая сила действует на тело?

Ответы

Автор ответа: ПетрИванович

0

Из данного уравнения видно, что а=4 м/с2,

значит равнодейств. сил= m*a= 4м/с2*1кг= 4 Н

F=4 Н

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