Part A. Use Coulomb\'s law to determine the magnitude of the electric field at p

Question

Part A.

Use Coulomb's law to determine the magnitude of the electric field at points A and B in the figure(Figure 1) due to the two positive charges ( Q = 5.7 uC, a = 4.7 cm ) shown.

EA = ?

EB = ?

Part B.

Use Coulomb's law to determine the direction of the electric field at points A and B.

?A = ? (degrees counterclockwise from +x axis)

?B = ? (degrees counterclockwise from +x axis)

For part a, I got 4.16*10^6 N/C and 9.60*10^6 N/C but it says they're wrong.

For part b, I got 26.26 degrees and 51.22, respectively.

Explanation / Answer

part B 90 degree 56.11 degree

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