Предмет: Физика, автор: seluskinaulana

3. Тіло падає з певної висоти над землею. У момент падіння на землю його ШВИДКІСТЬ дорівнює 30м/с. З якої висот впало тіло?​

Ответы

Автор ответа: dremlukdasha
0

Ответ:

По закону сохранения энергии m*g*h=m*V^2/2

h=V^2/2*g=30^2/2*10=45 м

seluskinaulana: а можна дано?
seluskinaulana: и то что в [ h] розписать
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