In an insulating material , the valence band is filled to capacity, and the conduction band is empty true or false​

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

b.

hope this : )

0.11 m/s and 0.28 m/s should be correct

the answer is 12 as i may remember

: )