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?
2 answers
Read my previous answer please.
Sorry (impatient) and Thanks. So
E=/F/ divide by /q/
E=/F/ divide by /q/
3 answers