F1=k1×l
F2=k2×l
F1/F2 = (k1×l)/(k2×l)
F1/F2 = k1/k2
F1 = 0.5×10 = 5Н
F2= 0.2×10 = 2Н
k1= F1*k2/F2
k1 = 2.5*k2
Ответ : k1>k2 в 2.5 раза
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F1=k1×l
F2=k2×l
F1/F2 = (k1×l)/(k2×l)
F1/F2 = k1/k2
F1 = 0.5×10 = 5Н
F2= 0.2×10 = 2Н
k1= F1*k2/F2
k1 = 2.5*k2
Ответ : k1>k2 в 2.5 раза