Consider the figure below. Find the total Coulomb force on a charge of 2.8 nC located at x = 2.7 cm in part (b) of the figure, given that q = 7.4 µC. (Indicate the direction with the sign of your answer.)___ NFind the x-position (between x = 0 cm and x = 14 cm) at which the electric field is zero in part (b) of the figure.___ cm

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Answerthe force between the charges will be  f/9 (one-ninth of force f)explanationcoulomb's law relates the magnitudes  two point charges q₁ and q₂, the distance, r, between the charges, and the electrostatic force, f, between the two charges:     k represents coulomb's constant, k = 8.99×10⁹ n·m²/c².note that if we have r = 3r, then   

Cardiac muscle causes movement in the bone.