Asked by Stephanie

A styrofoam ball covered with a conducting paint has a mass of 5.0 x 10 ^-3 kg and has a charge of 4.0 microcoulombs. What electric field directed upward will balance the weight of the ball?
Answered by drwls
Read my previous answer please.
Answered by Stephanie
Sorry (impatient) and Thanks. So
E=/F/ divide by /q/