Предмет: Физика, автор: BrawlToxa

тіло кидають вертикально зі швідкістю 30 м/с .на якій висоті потенуіальна енергія тіла дорівнюватиме його кітечній енегрії?

Ответы

Автор ответа: olexandryar

Ответ:

45м

Объяснение:Ек=mv²/2 Eп=mgh Eк=Eп

mV²/2=mgh h=V²/2g

h=30²/2*10=45м

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