Dry air will break down if the electric field exceeds about 3.0×106v/m. part a what amount of charge can be placed on a capacitor if the area of each plate is 5.5 cm2 ? express your answer using two significant figures.

Aheavy boy and a lightweight girl are balanced on a massless seesaw. the boy moves backward, increasing his distance from the pivot point. what happens to the seesaw? it is impossible to predict without knowing additional information. the side the boy is sitting on will tilt downward. the side the girl is sitting on will tilt downward. nothing; the seesaw will remain balanced.