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(Solved): A small glass bead has been charged to ++ 40.0 nCnC . A small metal ball bearing 2.50 cmcm above the ...
A small glass bead has been charged to ++ 40.0 nCnC . A small metal ball bearing 2.50 cmcm above the bead feels a 1.90×10?2 NN downward electric force.
Part A
What is the charge on the ball bearing?
Express your answer with the appropriate units.