Предмет: Физика, автор: anelvaleeva

Шар массой 100 г движется со скоростью 10 м/с. Его кинетическая энергия равна

Ответы

Автор ответа: zwfad22

Ответ:

E= mv^2/2 = 0.1×100/2=5

anelvaleeva: почему 0.1?

zwfad22: потому что дано в граммах а при решении всегда используем систему СИ кг

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