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S=4*S1
g=25mikrometrów=25*10⁻⁶m
j=1A
k=1,118 *10(do)-6 kg/C,
ro=10,5 *10(do)3 kg/m3.
t=?
--------------------------
m=S*g*ro=4*S1*g*ro
m=kjt
t=4*S1*g*ro/(kj)
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