Ответ:
Eпот=кх²/2= Fx/2=mgx/2, x=2E/mg=2*0.2/2*10= 0.02 м
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Ответ:
Eпот=кх²/2= Fx/2=mgx/2, x=2E/mg=2*0.2/2*10= 0.02 м