After our Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state, in which it has approximately the

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After our Sun exhausts its nuclear fuel, its ultimate fate may be to collapse to a white dwarf state, in which it has approximately the same mass as it has now, but a radius equal to the radius of the Earth. Calculate (a) The average density of the white dwarf, (b) The free-fall acceleration, and (c) The gravitational potential energy of a 1.00-kg object at its surface.

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