Point charges q1=+2.00μC and q2=−2.00μC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty corner closest to q2. Take the electric potential to be zero at a distance far from both charges. A point charge q3 = -5.00 μC moves from point a to point b. How much work is done on q3 by the electric forces exerted by q1 and q2? Express your answer with the appropriate units. Wab=__J

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Point charges q1=+2.00μC and q2=−2.00μC are placed at adjacent corners of a square for which the length of each side is 1.00 cm. Point a is at the center of the square, and point b is at the empty corner closest to q2. Take the electric potential to be zero at a distance far from both charges.

A point charge q3 = -5.00 μC moves from point a to point b. How much work is done on q3 by the electric forces exerted by q1 and q2?

Express your answer with the appropriate units.

Wab=__J

Part A
What is the electric potential at point a due to 9₁ and 92?
Express your answer with the appropriate units.
V₁ = 0 V
Submit
Correct
IDENTIFY: The potential at any point is the scalar sum of the potentials due to individual charges.
SET UP: V = kq/r and Wab= q (va - Vb).
Previous Answers
EXECUTE: ra1 = ra2 =√(0.0100 m)² + (0.0100 m)² = 0.0071 m. V₁ = k
Part B
What is the electric potential at point b?
Express your answer with the appropriate units.
V₁ = -5.27×105 V
Submit
Previous Answers
Correct
Tbi = 0.0141 m, r62 = 0.0100 m.
91 92
Ты 762
V₁ = k +
-2.00×10
+2.00×10-6
0.0141 m
0.0100 m
) = (8.99 × 10° N · m²/C²) (+
91 92
+
Tal Ta2
-6
c).
=
) -
= 0 V.
-5.27 x 105 V
Transcribed Image Text:Part A What is the electric potential at point a due to 9₁ and 92? Express your answer with the appropriate units. V₁ = 0 V Submit Correct IDENTIFY: The potential at any point is the scalar sum of the potentials due to individual charges. SET UP: V = kq/r and Wab= q (va - Vb). Previous Answers EXECUTE: ra1 = ra2 =√(0.0100 m)² + (0.0100 m)² = 0.0071 m. V₁ = k Part B What is the electric potential at point b? Express your answer with the appropriate units. V₁ = -5.27×105 V Submit Previous Answers Correct Tbi = 0.0141 m, r62 = 0.0100 m. 91 92 Ты 762 V₁ = k + -2.00×10 +2.00×10-6 0.0141 m 0.0100 m ) = (8.99 × 10° N · m²/C²) (+ 91 92 + Tal Ta2 -6 c). = ) - = 0 V. -5.27 x 105 V
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