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Physics 8 Online
OpenStudy (anonymous):

tthe sum of two point charges is 6 mu coulomb.they attract each other with a force of 0.9newton,when kept 40cm apart in vacuum. calculate the charges

OpenStudy (anonymous):

q1+q2= 6 kq1q2/r^2 = 0.9 r=0.4 two equations two variables solve

OpenStudy (irishboy123):

F has to be -9.

OpenStudy (irishboy123):

sorry, minus .9

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