A -10nC charge is located at ( x , y ) = (0.80cm , 0 cm). What is the x -compone
ID: 1378263 • Letter: A
Question
A -10nC charge is located at (x, y) = (0.80cm , 0 cm).
What is the x-component of the electric field at the position (x, y) = (5.2cm , 0 cm)?
What is the y-component of the electric field at the position (x, y) = (5.2cm , 0 cm)?
What is the x-component of the electric field at the position (x, y) = (?5.2cm, 0 cm)?
What is the x-component of the electric field at the position (x, y) = (?5.2cm, 0 cm)?
What is the x-component of the electric field at the position (x, y) = (0 cm, 5.2cm )?
What is the y-component of the electric field at the position (x, y) = (0 cm, 5.2cm )?
Explanation / Answer
Here is what I solved before, please modify the figures as per your question. Please let me know if you have further questions. Ifthis helps then kindly rate 5-stars.
A -10nC charge is located at (x, y) = (1.1cm , 0 cm).
A) What is the x-component of the electric field at the position (x, y) = (5.2cm , 0 cm)?
B) What is the y-component of the electric field at the position (x, y) = (5.2cm , 0 cm)?
C) What is the x-component of the electric field at the position (x, y) = (?5.2cm, 0 cm)?
D) What is the y-component of the electric field at the position (x, y) = (?5.2cm, 0 cm)?
E) What is the x-component of the electric field at the position (x, y) = (0 cm, 5.2cm )?
F) What is the y-component of the electric field at the position (x, y) = (0 cm, 5.2cm )?
Answer
A) Ex = k*Q/rx^2
= 9*10^9*10*10^-9/(0.052-0.011)^2
= -5.354*10^4 N/c (towards -x axis)
B) Ey = 0
C) Ex = k*Q/rx^2
= 9*10^9*10*10^-9/(0.052+0.011)^2
= 2.267*10^4 N/c (towards +x axis)
D) Ey = 0
E) E = k*Q/rx^2
= 9*10^9*10*10^-9/(0.052^2+0.011^2)
= 1.664*10^4 N/c
theta = tan^-1(5.2/1.1) = 78.06 degrees
Ex = E*cos(78.06) = 0.344*10^4 N/c( towards +x axis)
B) Ey = -E*sin(78.06)
= -1.608*10^4 N/c
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