1) w=1/sqrt(m/K) k=m*w^2=0,25*10^2=25 H/м
2) E=m*V^2/2+k*x^2/2 m=(2*E-k*x^2)/m=(2*4,5-700*0,01)/0,25=8 кг
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1) w=1/sqrt(m/K) k=m*w^2=0,25*10^2=25 H/м
2) E=m*V^2/2+k*x^2/2 m=(2*E-k*x^2)/m=(2*4,5-700*0,01)/0,25=8 кг