In the figure positive charge q = 8.50 pC is spread uniformly along a thin nonco

Question

In the figure positive charge q = 8.50 pC is spread uniformly along a thin nonconducting rod of length L = 17.0 cm. What are the (a)x- and (b)y- components of the electric field (in N/C) produced at point P, at distance R = 4.00 cm from the rod along its perpendicular bisector?

I got 20.36 for x, and 0 for y, but these were not correct. I need a guided solution.

In the figure positive charge q = 8.50 pC is spread uniformly along a thin nonconducting rod of length L = 17.0 cm. What are the (a)x- and (b)y- components of the electric field (in N/C) produced at point P, at distance R = 4.00 cm from the rod along its perpendicular bisector? I got 20.36 for x, and 0 for y, but these were not correct. I need a guided solution.

Explanation / Answer

Ey = k q/(R (R^2 + (L/2)^2)^0.5)

Ey = 8.99e9*8.5e-12/(0.04 * (0.04*0.04+(0.17/2)*(0.17/2))y0.5)

Ey = 20.3 N/C

Ex = 0

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