Consider an initial system of three charges shown in (Figure 1). An object with charge 94 = + 4.0 × 10-8 C will be moved to position C from infinity (not shown in the figure). 91 92 93 = +10.0 × 10-8 C.
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Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.
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An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.
Determine the work done on the system by moving the charge q4 from infinity to point C.
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