An alpha paritcle carrying an electric c...

An `alpha` paritcle carrying an electric charge `3.2 xx 10^(-19)C` is at a distance of `13.8 xx 10^(15)m` from a gold nucleus (atomic number=79). Calculate the fore exertedby the gold nucleus on the `alpha` particle.

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The correct Answer is:

`1.911 xx 10^(2)N`

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