Question

When four hydrogen nuclei, each composed of one proton, join to make one helium nucleus of two protons and two neutrons (as in Problem 2.13 above), the mass of the helium nucleus is calculated to be less than the mass of the original four protons, by the amount of 0.0029 mass units. What is the significance of such a mass “loss”?

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  • CreatedOctober 03, 2009
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