In the diagram, q1 = -6.39.109 C and
q2= +3.22.109 C. What is the electric
potential at point P? Include a + or - sign.
91
P
92
0.424 m 0.636 m
Remember, V adds as a scalar, NOT a vector.
v1=(k)(q1/r1) and v2=(k)(q2/r2), then v1+v2=Ue
k is a constant 8.987-109 Nm² c²
Units Volts (V)