Problem 17.42 In a rectangular coordinate system, a positive point charge q = 5.
ID: 1407381 • Letter: P
Question
Problem 17.42
In a rectangular coordinate system, a positive point charge q = 5.50 nC is placed at the point x= 0.250 m , y=0, and an identical point charge is placed at x= -0.250 m , y=0. Find the x and y components and the magnitude and direction of the electric field at the following points.
Part A (1)
Find the x and y components and the magnitude of the electric field at the origin.
Part B (2)
3. Find the x and y components and the magnitude and direction of the electric field at x=0.500 m, y=0. Ex, Ey [N/C]
4. Enet=? [N/C]
5. = ? from positive x axis
7. Enet=? [N/C]
8. = ? from positive x axis
10. Enet=? [N/C]
11. = ? from positive x axis
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Problem 17.42
In a rectangular coordinate system, a positive point charge q = 5.50 nC is placed at the point x= 0.250 m , y=0, and an identical point charge is placed at x= -0.250 m , y=0. Find the x and y components and the magnitude and direction of the electric field at the following points.
Part A (1)
Find the x and y components and the magnitude of the electric field at the origin.
Ex,Ey = ??????????????(ANSWER HERE) N/CPart B (2)
E = ????(answer here) N/CExplanation / Answer
q1 = 5.50 nC @ x= - 0.250 m
q2 = 5.50 nC @ x= + 0.250 m
1)
At Origin -
Ex = k *q/r^2 - k*q/r^2
Ex = 0
Ey = 0
2)
At Origin -
E = 0
3)
At x = 0.500 m
Ex = k *q/r1^2 + k*q/r2^2
where r1 = 0.750m , r2 = 0.250 m
Ex = 8.9 * 10^9 * 5.50 * 10^-9 (1/0.75^2 + 1/0.25^2) N/C
Ex = 870.2 N/C
Ey = 0
4)
At x = 0.500 m
E = 870.2 N/C
5)
= 00 from +ve X axis.