A 1.0-μm-diameter oil droplet (density 900 kg/m3) is negatively charged with the addition of 34 extra electrons. It is released from rest 2.0 mm from a very wide plane of positive charge, after which it accelerates toward the plane and collides with a speed of 5.0 m/s.
What is the surface charge density of the plane?
Express your answer to two significant figures and include the appropriate units.
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A 1.0-μm-diameter oil droplet (density 900 kg/m3) is negatively charged with the addition of 34 extr...
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