Предмет: Физика, автор: pubgand523

Вычислите работу, совершаемую при подъеме бетонной плиты массой 1,2 т на

высоту 12 м.

Ответы

Автор ответа: jijki

0

Ответ:

Fт = mg = 2,5 т × 10 = 2500 кг × 10 = 25000 Н

A = Fs = 25000 × 12 = 300000 Дж = 300 кДж

Ответ: 300 кДж

Объяснение:

pubgand523: спсибо

pubgand523: это правильно?

jijki: да

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