A -10 nC charge is located at (x, y) = (0.80 cm , 0 cm). Part A What is the x -c

Question

A -10 nC charge is located at (x, y) = (0.80 cm , 0 cm).

Part A

What is the x-component of the electric field at the position (x, y) = (5.5 cm , 0 cm)?

Part B

What is the y-component of the electric field at the position (x, y) = (5.5 cm , 0 cm)?

Part C

What is the x-component of the electric field at the position (x, y) = (5.5cm, 0 cm)?

Part D

What is the y-component of the electric field at the position (x, y) = (5.5cm, 0 cm)?

Part E

What is the x-component of the electric field at the position (x, y) = (0 cm, 5.5 cm )?

Explanation / Answer

E = K*Q/r^2

Electric field direction is always towards -ve charge and away from +ve charge

(a) Ex = -9*10^9*10*10^-9/((5.5-0.8)*10^-2)^2

= -40742.417 N/C

(b) Ey = 0

(c) Ex = 9*10^9*10*10^-9/((-5.5-0.8)*10^-2)^2

= 22675.737 N/C

(d) Ey = 0

(e) Ex = 9*10^9*10*10^-9 * cos (80.5)/10^-4 (5.5^2+0.8^2)

= 4808.768 N/C

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