Предмет: Физика, автор: lalalala2299

Тело летит вниз с высоты 10 м. При какой скорости его кинетическая энергия будет равна потенциальной энергии?
С РЕШЕНИЕМ И ДАНО)
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Ответы

Автор ответа: dizert183
1

Ответ:

дано   h1=10 м    Eк=Ер    h2- ?

m*g*h1=Eк+Ер=2*Ер=2*m*g*h2

h2=h1/2=5 м

Ответ h2=5 м

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