two point charges lie on the x axis, physics homework

Physics
Tutor: None Selected Time limit: 1 Day

Jan 17th, 2016

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-4 cm          0                                   10 

  ---------Q=6.5 uC --------------------q=-9.0 uC


E = k (-Q/0.04^2 +|q|/0.14^2) = 9x10^3 (-6.5/0.0016+9.0/0.0196)

=-3.24x10^7 N/C

at x = 4 cm 

E = k (Q/0.04^2 +|q|/0.06^2) = 9x10^3 (6.5/0.0016+9.0/0.0036)

=5.91 x10^7 N/C


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Jan 17th, 2016

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