Предмет: Физика, автор: tstvetnoy

МНОГО БАЛЛОВ ПЖ
ВОПРОС НА ФОТО ​

Приложения:

Ответы

Автор ответа: zinovicgrigorij
1

Ответ: 5,8м/с; 2,52Дж

Объяснение:

Дано:

m=150г=0,15кг

g=9,8Н/кг

h=1,7м

-------------

V-?; Ек-?

V=√(2gh)=√(2*9,8*1,7)=5,8м/с

Ек=mV²/2=0,15*5,8²/2=2,52Дж


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Grammar total





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V O C A B U L A R Y

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