Предмет: Физика, автор: favorite21mama33

Вращающееся с угловой скоростью 10 рад/с тело, после прекращения действия вращающего момента сил, останавливается, совершая при этом работу 5 Дж против сил трения. Момент инерции тела равен

Ответы

Автор ответа: fatt52

1

Ответ:

0,1 кг*м²

Объяснение:

ω=10 рад/с A=5 Дж J=?

===

A=Wk=J*ω²/2

J=2*A/ω²=2*5/10²=0.1 кг*м²

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