Two point charges are fixed on the y axis: a negative point charge q1 = -28 µC at y1 = +0.20 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +8.7 µC is fixed at the origin. The net electrostatic force exerted on the charge q by the other two charges has a magnitude of 20 N and points in the +y direction. Determine the magnitude of q2.

answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

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explanation:

be subject to a force andchange its motion