A charge q1 = 7 x 10-14 C and an unknown charge q2 are spaced apart by a distance of 2 x 10-7 m. The force between them is 3 x 10-5 N. How many Coulombs does the unknown charge q2 have? The electric constant k = 9 x 109 Nm2/C2

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A: To solve the given question, we will use the formula, Coulomb force=F=kq1q2r2

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A: Solution:

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