Предмет: Физика, автор: HollywoodGirl

По горизонтальному столу катится шарик массой 500 г с постоянной скоростью 20 см/с.Чему равна его кинетическая энергия?

Ответы

Автор ответа: kefa

$m=500 g =0,5 kg \ \ v=20 cm/c=0,2 m/c \ \ K=frac {mv^2}{2}=frac {0,5 kg *(0,2 m/c)^2 }{2}=0,01 Dzh$

Ответ: 0,01 Дж

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