 #1
Jenny0000
 8
 3
 Homework Statement
 How to determine whether it is stable equilibrium or non stable equilibrium by using potential energy equation derivative
 Relevant Equations
 F=dU/dX
F=kqQ/x^2
U=kqQ/x
Hi all ,
please refer to the picture regarding my working.
please correct me if My working is wrong.
I am quite confused about the positive and negative sign in equation
please refer to the picture regarding my working.
please correct me if My working is wrong.
I am quite confused about the positive and negative sign in equation
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