Question

PART ONE:
A charge of 4.70μC is at the origin and a second charge of −2.85μC is on the positive x-axis 1.08 m from the origin.
Find the magnitude of the electric field at a point P on the y-axis 0.640 m from the origin. The value of the Coulomb constant is 8.99×10^9 N·m^2/C^2.
Answer in units of N/ C

Part Two:
Determine the direction of this electric field(as an angle between
−180◦ and 180◦ measured from the positive x-axis, with counter- clockwise positive).Answer in units of ◦

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