The line of the Force vs. 1/r2 graph has the equation: 2.09E-04 + (0.0899)x + (5.29E-10)x2. Given the following data, calculate for the experimental value of Coulomb constant (k). F (N) 1/r2  (m-2) 8.988 100 14.043 156.25 24.965 277.78 56.172 625 224.689 2500

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