(a) Find the magnitude and direction of the electric field at x = -1 m, y = 0 .

Question

(a) Find the magnitude and direction of the electric field at x = -1 m, y = 0.

N/C    

(b) Calculate the magnitude and direction of the force on an electron at x = -1 m, y = 0 .

N   

Please give exact answers to all parts

A point charge of -6 mu C is located at x = 4 m, y = -2 m. A second point charge of 12 mu C is located at x = 1 m, y = 1 m. Find the magnitude and direction of the electric field at x = -1 m, y = 0. Calculate the magnitude and direction of the force on an electron at x = -1 m, y = 0 . Please give exact answers to all parts

Explanation / Answer

due to -6 uc:

-6*10^(-6)*9*10^9*(-i-4i-(-2j)/(abs((-i-4i-(-2j))^3)

=345.77*(5*i-2*j) N/C

due to 12 uc:

12*10^(-6)*9*10^9*(-i-i-j)/(abs((-i-i-j)^3)

=9659.81 *(-2*i-j) N/C

net field magnitude=20410.42 N/C

direction=149.5 degree counterclockwise

b)force=charge*field

force magnitude=3.2656*10^(-15) N

direction=-30.47 degree counterclockwise

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