Three charges, q 1 , q 2 , and q 3 , are located at the corners of an equilatera

Question

Three charges, q1, q2, and q3, are located at the corners of an equilateral triangle with side length of 1.29 m. Find the work done in each of the following cases:

a) to bring the first particle, q1 = 1.97 pC, to P from infinity
b) to bring the second particle, q2 = 2.41 pC, to Q from infinity
c) to bring the last particle, q3 = 3.07 pC, to R from infinity
d) Find the total potential energy stored in the final configuration of q1, q2, and q3.

Please write a b c and d clearly

Three charges, q1, q2, and q3, are located at the corners of an equilateral triangle with side length of 1.29 m. Find the work done in each of the following cases: to bring the first particle, q1 = 1.97 pC, to P from infinity to bring the second particle, q2 = 2.41 pC, to Q from infinity to bring the last particle, q3 = 3.07 pC, to R from infinity Find the total potential energy stored in the final configuration of q1, q2, and q3.

Explanation / Answer

a) zero.

b) workdone = k*q1*q2/a = 33.12*10^-15 J

c) workdone = k*q1*q3/q + k*q2*q3/a = 93.81*10^-15 J

d) U = k*q1*q2/a + k*q2*q3/a + k*q3*q1/a = 126.93*10^-15 J

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