Question: If the nucleus is a few (mathrm{fm}) in diameter, the distance between the centers of two protons must be (approx 2 mathrm{fm}). a. Calculate the

If the nucleus is a few $\mathrm{fm}$ in diameter, the distance between the centers of two protons must be $\approx 2 \mathrm{fm}$.

a. Calculate the repulsive electric force between two protons that are $2.0 \mathrm{fm}$ apart.

b. Calculate the attractive gravitational force between two protons that are $2.0 \mathrm{fm}$ apart. Could gravity be the force that holds the nucleus together?

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