In: Physics
ANSWER BOTH
1. What is the magnitude of the force a +20 μC charge exerts on a +3.5 mC charge 39 cm away?
Express your answer to two significant figures and include the appropriate units.
F =
2. Calculate the magnitude of the electric field at one corner of a square 1.11 m on a side if the other three corners are occupied by 5.79×10−6 C charges.
E = N/C