What is the magnitude of the attractive force

Reference no: EM13696248

Solve each part of following problem:

Problem: Three equal positive point charges of magnitude Q = 7.00mu C are located at three corners of a square of edge length d = 5.6 cm. A negative charge -21.00mu C is placed on the fourth corner.

Part A: At the position of the negative charge, what is the magnitude of the electric field due to the three positive charges?

Part B: What is the magnitude of the attractive force on the negative charge?

I don't understand how to get the answer. Can you please help me with this problem?

Reference no: EM13696248

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