Сравните колебательные движения трёх тел, график которых представлены на рисунке
monsterhi003
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07.05.2019 05:31
1 
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амплитуды А1=А3≠А2
частоты w2=w3=w1/2
периоды Т2=Т3=2*Т1
начальные фазы ф2=ф3