Предмет: Физика, автор: Hdjsh73

Яку силу треба прикласти щоб закотити діжку масою 100 кг по похилій площині завдовжки 4 метри, на висоту 2 метри? Тертям діжки об дошку знехтувати.
Тоже срочно

Ответы

Автор ответа: Dedagenn
0

Ответ:

500H

Объяснение:

работа А=mgh= 100*10*2=2000Дж, значит F*S=A=2000, F=2000/4=500H

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