November 2021 0 8 Report
ДАЮ 50 БАЛЛОВ Яблоко массой 180 г свободно падает с ветки яблони на высоте 1,7 м на землю.

Какой будет кинетическая энергия яблока перед ударом о землю?

Чему равна его скорость перед ударом?


(Принять g=9.8Нкг).



Ответ (округли до десятых):

υ≈ м/с
Eк≈ Дж
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