Charge q1 = 8.5 nC is located at coordinate system origin, while charge q2 = -2.5 nC is located at (a, 0), where a = 1.1 m. The point P has coordinates (a, b), where b = 2.7 m.
a. At the point P, find the x-component of the electric field Ex in units of N/C.
b. At the point P, find the y-component of the electric field Ey in units of N/C.
Here we apply Columb's formula to calculate the electrostatic field at a distance r.
Field due to positive charge is away from the charge and due to negative charge it is towards the negative charge.
After this using geometry, we break into components and find the net fields in x and y directions.
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