Coulomb\'s law describes the force that two charged particles exert on each othe
ID: 1917435 • Letter: C
Question
Coulomb's law describes the force that two charged particles exert on each other (by Newton's third law, those two forces must be equal and opposite). The force exerted by particle 2 (with charge ) on particle 1 (with charge ) is proportional to the charge of each particle and inversely proportional to the square of the distance between them: , where and is the unit vector pointing from particle 2 to particle 1. The force vector will be parallel or antiparallel to the direction of , parallel if the product and antiparallel if ; the force is attractive if the charges are of opposite sign and repulsive if the charges are of the same sign.
Explanation / Answer
harged particle q3 is at a distance of (0 d2,d2) = vd2^2 _d2^2 = v2 d2 hence force exerted by this on partiucle at 0 is Kq1q3/2 *d2^2 where K = 9*10*9Nm^2/C^2