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Two positively charged spheres are shown in the figure below. Sphere 1 has twice as much charge as sphere 2; q = 5.55 nC, d = 0.350 m, and y = 1.15 m. Suppose an electron is placed at point A
and released. (Express your answers in vector form.)
A
91 = 2q
+
92=9
-d/2d/2-
d/2-
d/2→→→→
(a) What is the electron's acceleration?
ae
=
9.35.10¹¹ + 18.43 · 10¹²ĵ
m/s²
(b) If the electron were replaced by a proton, what is the proton's acceleration?
ap =
5.09.10% +10.04.10%
m/s²

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