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Posted by on Monday, March 7, 2011 at 11:56pm.

Two point charges of 2.0 nC and 6.0 nC are both located 1.0 m away from a third charge of 3.0 nC ("n" is the metric prefix "nano" and means 10^-9) as shown. What is the electric force (magnitude and direction) on the 3.0 nC charge?

3.0 nC
O---------O 6.0 nC
|_| <- right triangle
|
|
|
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O 2.0 nC

  • Physics - , Tuesday, March 8, 2011 at 2:29am

    The 3.0 nC charge experiences a force up of k*6*3*10^-18 N and a force to the left of
    k*2*3*10^-18 N
    k is the Coulomb constant.
    Add the two forces as vectors.

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