Предмет: Физика, автор: tarasuyk31

Дзиґа, обертаючись з частотою 60 об/с, вільно падає з висоти 1,5 м. Скільки обертів зробить вона за час польоту? ( )

Ответы

Автор ответа: Dedagenn

Падение равноускоренное, для которого путь (высота) h=gt²/2. Время падения t= √(2h/g), количество оборотов за это время 60*√(2*1.5/10)= 32.9 об

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