Basic Electronics Coulomb's Law Practice




1) Two particles have fees equal to -35.0 μC and +50.0 C, and are separated by means of a distance of


30.0 mm. What is the magnitude of the pressure between the particles, and is the pressure eye-catching or


repulsive?




2) Two objects are separated by way of a distance of 1.2 mm. The objects are originally neutral, and then

each get hold of the equal range of electrons, giving them the identical charge. The force between the

objects is now 24.0 pN. How many electrons did the two objects every receive?



3) Two particles have prices q1 and q2, and q1 = 790 nC. The distance between the particles is

27 cm, and the attractive force between them is 0.2 N. What is q2 (including sign)?



4) Two prices repel each other with a pressure of 5.00 N, and start to pass apart. What will be the force between them after the distance between them is doubled? 

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