Author Question: Three +3.0-C point charges are at the three corners of a square of side 0.50 m. The last corner is ... (Read 97 times)

mmm · **on:** Jul 29, 2018

Three +3.0-C point charges are at the three corners of a square of side 0.50 m. The last corner is occupied by a -3.0-C charge. Find the magnitude of the electric field at the center of the square. (k = 1/40 = 8.99 109 N m2/C2)

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Question 2

The two strongest forces that protons in a nucleus exert on each other are

A) the weak nuclear and electromagnetic forces.
B) the weak nuclear and the gravitational forces.
C) the electrostatic and the gravitational forces.
D) the strong nuclear and the electrostatic forces.