mariaisabelmi5006 mariaisabelmi5006
  • 26-03-2024
  • Physics
contestada

With particle A held in place at the origin, how much work must be done by an outside agent to bring particle B, also carrying a 9.0-NC charge, from infinity to r = 4.0 m?
a) 0 J
b) 36 J
c) -36 J
d) 72 J

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