The two charges of +45 Coulomb and -75 Coulomb are at a distance of 3 meters from each other and the working force between them is 5 * 10 ^ 8 Newtons. What is the value of the active force if the value of the two charges is increased by 15 coulombs while keeping the distance unchanged?
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Explanation:
q1=+45
q2=-75
f=5*10^8 n
r=3 m
k=f*r^2/q1q2
=4*10^6/3
after increasing 15c
f=(60*60/3*3)*4*10^6/3
=5.33*10^8 n *(approx)
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