Identical point charges Q are placed at each of the four corners of a 3.0-m × 4.0-m rectangle. If Q = 40 ?C, what is the magnitude of the electrostatic force on any one of the charges?

a. 3.0 N
b. 2.4 N
c. 1.8 N
d. 3.7 N
e. 2.0 N


b

Physics & Space Science

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