Mathematics · Electrostatics
A configuration of two equal point charges (q 0 = +2 μC) is placed on a smooth inclined plane making an angle of 30° with the horizontal. The mass of each point charge is 20 g. For the system of two point charges to be in equilibrium (at rest), the vertical height difference between them is h = x × 10 -3 m. Find the value of x. (Take 1 4πε 0 = 9 × 10 9 N·m 2 ·C -2 and g = 10 m/s 2 )
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