Механика. Л 7.2. Импульс и момент импульса. Законы сохранения.
Работа. Энергия. Мощность. КПД машин и механизмов. Законы сохранения.
Физика: подготовка к олимпиадам от СПбГЭТУ “ЛЭТИ“.
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![Гравитация — это не сила [Veritasium]](https://sun9-42.userapi.com/jzynRFHWZQvdvl6IWkVV_aA3rSroc_tnmA7KTA/-Tl0aRsI8xc.jpg)
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