1. Johnny wants to know where the water line is in a dark well. He drops a penny into the well and counts until he hears the penny hit the water. He counts exactly 3 seconds. How far down is the water line?

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.