finding magnitude and direction of electric force 1. An electron and two protons

Question

finding magnitude and direction of electric force

1. An electron and two protons are arranged in the configuration shown. The distance between the charges is r=2.1x10^-10m .

. Find the magnitude and direction of the electrical force exerted on the electron. Make sure

finding magnitude and direction of electric force 1. An electron and two protons are arranged in the configuration shown. The distance between the charges is r=2.1x10^-10m . . Find the magnitude and direction of the electrical force exerted on the electron. Make sure please explain all the steps ..

Explanation / Answer

magnitude of force due each proton on electron will be

and that will be = kq1q2/ r^2

F = 9 x 10^9 x 1.6 x 10-19 x 1.6 x 10-19 / (2.1 x 10-10)^2

= 5.22 x 10-9 N



resultant Force will be

Fnet = sqrt(F^2 + F^2 + 2FFcos60)

= 1.73F = 9.04 x 10-9 N
  
  
  
direction will be 30 degrees from both line.
  
as both force line are wequals so resultant will be in middle.

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