Предмет: Физика, автор: veronikaffnv

на яку висоту потрібно підняти штангу масою 120 кг щоб потенційна енергія стала 2.4 кДж

Ответы

Автор ответа: 1Manka1

0

Дано:
m=120кг
Еп=2,4кДж=2400Дж
g=10
Знайти:
h-?
Еп=mgh→h=Еп/(gm)=2400/(10*120)=2м

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