+2.80 nC of charge is uniformly distributed along the top half of a thin rod of...

  

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+2.80 nC of charge is uniformly distributed along the top half of a thin rod of total length L = 5.60 cm, while -2.80 nC of charge is uniformly distributed along the bottom half of the rod, as shown in the figure. What is the magnitude of the electric field at the dot, a distance r = 19.1 cm from the centre of the rod? Magnitude: L +++ + + + + + I r +2.80 nC of charge is uniformly distributed along the top half of a thin rod of total length L = 5.60 cm, while -2.80 nC of charge is uniformly distributed along the bottom half of the rod, as shown in the figure. What is the magnitude of the electric field at the dot, a distance r = 19.1 cm from the centre of the rod? Magnitude: L +++ + + + + + I r