A +17 nC charge is located at the origin. Part A What is the strength of the ele

Question

A +17 nC charge is located at the origin.

Part A

What is the strength of the electric field at the position (x,y)=(5.0cm,0cm)?

Express your answer using two significant figures.

Part B

What is the strength of the electric field at the position (x,y)=(5.0cm,5.0cm)?

Express your answer using two significant figures.

Part C

What is the strength of the electric field at the position (x,y)=(5.0cm,5.0cm)?

Express your answer using two significant figures.

A +17 nC charge is located at the origin.

Part A

What is the strength of the electric field at the position (x,y)=(5.0cm,0cm)?

Express your answer using two significant figures.

Part B

What is the strength of the electric field at the position (x,y)=(5.0cm,5.0cm)?

Express your answer using two significant figures.

Part C

What is the strength of the electric field at the position (x,y)=(5.0cm,5.0cm)?

Express your answer using two significant figures.

Explanation / Answer

E = k Q r / |r|^3

(A) r = 0.05i and |r| = 0.05m

E = (9 x 10^9)(17 x 10^-9) (0.05i) / (0.05^3)

E = 61200 i

strength = 61200 N/C Or 6.1 x 10^4 N/C

(b) r = -0.05i + 0.05j , |r| = sqrt(0.050^2 + 0.05^2) = 0.0707 m

E = - 34365i + 34365j

|E| = sqrt(34365^2 + 34365^2) = 48600 N/C Or 4.9 x 10^4 N/C

(C) r = -0.05i - 0.05j , |r| = sqrt(0.050^2 + 0.05^2) = 0.0707 m

E = - 34365i - 34365j

|E| = sqrt(34365^2 + 34365^2) = 48600 N/C = 4.9x 10^4 n/C

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