Point charges q1=+2.00C and q2=2.00C are placed at adjacent corners of a square

Question

Point charges q1=+2.00C and q2=2.00C are placed at adjacent corners of a square for which the length of each side is 2.00 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.

NEED PARTS A-C

PLEASE SHOW ALL WORK WITH PLUGGED IN VALUES GIVEN...THNAKS

PART A:What is the electric potential at point a due to q1 and q2?

Express your answer with the appropriate units.

ANSWER: Va = ______________

PART B: What is the electric potential at point b?

Express your answer with the appropriate units.

ANSWER: Vb= __________

PART C:

A point charge q3 = -2.00 C 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.

ANSWER:

Wab = ___________________

Explanation / Answer

part a )

the potential is zero at the center since the two equal-magnitude and oppositely charged particles are equidistant.

part b )

V = 9*10^9 x 2*10^-6 ( 1/sqrt(2) - 1 ) / 0.02

V = -263603.9 V

part c )

w = charge * V

w = 0.527 J

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