Daryl ties a rope to a brick and lifts the brick straight up. The free-body
diagram below shows the brick when it is suspended above the ground.

A. Tension
B. Friction
C. Weight
D. Normal force

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

answer///terminator or twilight zone;

t = 1/400 h   ⇔ 0.0025 h ⇔ 9s ⇔ 0.15 m

any of the answers are correct.