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A small metal sphere, carrying a net charge of q1= -3.10 micro C is held in...

A small metal sphere, carrying a net charge of q1= -3.10 micro C is held in a stationary position by insulating supports. A second small metal sphere, with a net charge of q2= -7.90 micro C and mass 1.90g is projected toward q1. When the two spheres are 0.800m apart, q2 is moving toward q1 with speed 22.0m/s. Assume the two spheres can be treated as point charges. You can ignore the force of gravity.

A. What is the speed of q2 when the spheres are 0.380m apart?

B. How close does q2 get to q1?
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