A small metal sphere, carrying a net charge of 91 -3.00 μC, is held in a stationary position by insulating supports. A second

Question

A small metal sphere, carrying a net charge of 91 -3.00 μC, is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2 = -7.80 μC and mass 1.90 g, is projected toward q1. When the two spheres are 0.800 m apart, q2 is moving toward q₁ with speed 22.0 m/s. (Figure 1). Assume that the two spheres can be treated as point charges. You can ignore the force of gravity. What is the speed of 92 when the spheres are 0.400 m apart? How close does 92 get to q₁?

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