r=d/2=0.14/2=0.07 м R=0.35 м F1/F2=?
F1*r=F2*R
F1/F2=R/r=0.35/0.07=5 раз
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r=d/2=0.14/2=0.07 м R=0.35 м F1/F2=?
F1*r=F2*R
F1/F2=R/r=0.35/0.07=5 раз
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