Solve the problem.In an electric field, the lines of force are perpendicular to the curves of equal electric potential. In a certain electric field, a curve of equal potential is  If the line along which the force acts on an electron has an inclination of 135°, find its equation.

A. y = -x + 16
B. y = -x + 8
C. y = x + 8
D. y = x + 16


Answer: A

Mathematics

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A.
[-15 40]
B.

C.

D.

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