Three charged marbles are glued to a nonconducting surface and
are placed in the diagram as shown. The charges of each marble are
q1 = 6.75 µC, q2 = 1.18 µC,
and q3 = −2.49 µC. Marble
q1 is a distance r1 = 3.00
cm to the left of the marble q2, while marble
q3 is a distance r3 = 2.00
cm to the right of the marble q2, as shown.
Calculate the magnitude of the electric field a distance
r' = 1.00 cm to the left of the center marble.
Another marble is placed 1 cm to the left of the middle marble. If this new marble has a charge of
−3.51 µC, calculate magnitude and direction of the force on it.
|direction||---Select--- upwards downwards left right|
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