Электростатика. Шашкова Л.В - 22 стр.

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7
123
10
3/31085,828,9105
=σ = 5,1·10
-6
Кл/м
2
.
22
          5 ⋅ 10 −3 ⋅ 9,8 ⋅ 2 ⋅ 8,85 ⋅ 10 −12 ⋅ 3 / 3
     σ=                          −7
                                                        = 5,1·10-6 Кл/м2.
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