: 13.02.11 ( )
.01.03
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, , .
1.
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| , U, | , R, | , L, | , , U, | |||||
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R=f(l) 2.
2 -
R=f(l)
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| , ε | , D, a x b, | , d, | , k ∙ 10-12, / | |||
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, , , : F=0 , U=0 F=_____ , U=_____ .
U=f(F) 4.
4 -
U=f(F)
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3
