Question: Please please please sir answer A small glass bead has been charged to + 20 nC . A tiny ball bearing 2.0 cm above the
Please please please sir answer
A small glass bead has been charged to + 20 nC . A tiny ball bearing 2.0 cm above the bead feels a 1.4x10^-2 N downward electric force. What is the charge on the ball bearing? Express the answer in nanocoulombs.
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