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Автор - nasya676

Определить работу силы упругости при растяжении пружины жесткостью 500н/м от 15 о 18 см

Ответ

Автор - Shockwave745
k=500H/м
x=0.03м
A-?

A=k*x^2/2
A=500*9*10^-4/2=0.225 Дж

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