The three charges shown below
(Q1=24.6 μC, Q2=24.6 μC, Q3=67.0 μC) are at the corners of a
triangle with sides a=3 m and b=5 m. Calculate the amount of work
required to assemble this system of charges, assuming they are
brought in from infinity.
Homework Answers
total workdone needed
W= k ( q1 q2 / a + q2 q3 / b + q1 q3 / b)
W = 9*10^9* 10^-12* ( 24.6* 24.6 / 3 + 24.6* 67 / 5 + 24.6* 67 / 5)
W = 7.749 J
======
do comment in case any doubt will reply for sure.. Goodluck
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