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As shown in the figure to the right, three points charges lie at the vertices of

ID: 1391912 • Letter: A

Question

As shown in the figure to the right, three points charges lie at the vertices of an equilateral triangle as shown. All three charges have the same magnitude, but charges #1 and #2 are positive (+q) and charge #3 is negative (-q). Based on this information, determine the direction of the net electric force that charges #2 and #3, exert on charge #1. In the figure to the right, three point charges lie at the vertices of an equilateral triangle all three charges have the same magnitude, but charges positive and charge is negative. Based on this information determine the direction of the net electric force that charges exert on charge in the figure below, a proton is projected horizontally midway between two parallel plates that are separated by 0.50 cm. the electrical field to the plates has magnitude between the plates away from the edges. if the plates are 5.60 cm long, find the minimum speed of the proton if it just misses the lower plate as it emerges from the field. (ep = 1.60 times 10-19 C, 0 = 8.85 times 10-12 C2/N middot m2, md = 1.67 times 10-27 kg). A point charge Q of mass 8.50 g hangs from the horizontal ceiling by a light 25.0-cm thread. When a horizontal electric field of magnitude 1750 N/C is turned on, the charge hangs away from the vertical as shown in the figure. The magnitude of Q is closest to which of the answers below?

Explanation / Answer

a

b

d