q4= +2nC 1.) What are the x and y components of the force on q 4 due to q 1, F 1

Question

q4= +2nC

1.) What are the x and y components of the force on q4 due to q1, F1 on 4? (In all questions about components, use the standard sign convention for right/left and up/down.)

Express your answer to three significant figures. Enter the x-component first and then the y-component. Separate your two answers with a comma.

2.)What are the x and y components of the force on q4 due to q3, F3 on 4?

3.) What are the x and y components of the force on q4 due to q2, F2 on 4?

Explanation / Answer

q1 = 2 nC, q2 = -6 nC, q3 = 2 nC, q4 = 2 nC

Electric force F = kq1q2/r^2

F14 = (9*10^9*2*2*10^-18*sin(45)/0.05^2) i -(9*10^9*2*2*10^-18*cos(45)/0.05^2) j

F14 = 1.02*10^-5 i - 1.02*10^-5 j

F34 = -(9*10^9*2*2*10^-18*sin(45)/0.05^2) i -(9*10^9*2*2*10^-18*cos(45)/0.05^2) j

F34 = -1.02*10^-5 i - 1.02*10^-5 j

F24 = (9*10^9*2*6*10^-18/0.05^2) j

F24 = 4.32*10^-5 j

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