Dua buah muatan berada pada jarak \( r \) memiliki gaya Coulomb \( F \). Berapakah besar gaya Coulomb jika kedua muatan jaraknya diubah menjadi 2 kali semula?
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If the distance between the charges is doubled, the new distance is \( 2r \). Substituting this into the formula gives \( F' = k \frac{q_1 q_2}{(2r)^2} = k \frac{q_1 q_2}{4r^2} \). Comparing this with the original force, we see that the new force is one fourth Show more…
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