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Advanced Physics
Our universe has properties that are determined by thevalues of the fundamental physical constants, and it would be a muchdifferent place if the charge of the electron, the mass of the proton, orthe speed of light was substantially different from its actual value. Forinstance, the speed of light is so great that the effects of relativity usuallygo unnoticed in everyday events. Let’s imagine an alternate universewhere the speed of light is 1,000,000 times less than it is in ouruniverse to see what would happen. In our universe, the rest energy of an electron is approximately 8.2 * 10-14 J. What would it be in the alternate universe? (a) 8.2 * 10-8 J; (b) 8.2 * 10-26 J; (c) 8.2 * 10-2 J; (d) 0.82 J.

Our universe has properties that are determined by thevalues of the fundamental physical constants, and it would be a muchdifferent place if the charge of the electron, the mass of the proton, orthe speed of light was substantially different from its actual value. Forinstance, the speed of light is so great that the effects of relativity usuallygo unnoticed in everyday events. Let’s imagine an alternate universewhere the speed of light is 1,000,000 times less than it is in ouruniverse to see what would happen. In our universe, the rest energy of an electron is approximately 8.2 * 10-14 J. What would it be in the alternate universe? (a) 8.2 * 10-8 J; (b) 8.2 * 10-26 J; (c) 8.2 * 10-2 J; (d) 0.82 J.

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Our universe has properties that are determined by the
values of the fundamental physical constants, and it would be a much
different place if the charge of the electron, the mass of the proton, or
the speed of light was substantially different from its actual value. For
instance, the speed of light is so great that the effects of relativity usually
go unnoticed in everyday events. Let’s imagine an alternate universe
where the speed of light is 1,000,000 times less than it is in our
universe to see what would happen. In our universe, the rest energy of an electron is approximately
8.2 * 10-14 J. What would it be in the alternate universe?
(a) 8.2 * 10-8 J; (b) 8.2 * 10-26 J; (c) 8.2 * 10-2 J; (d) 0.82 J.

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