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Recall, from this chapter, that the factor gamma (γ) governs both time dilation and length contraction, where
When you multiply the time in a moving frame by γ, you get the longer (dilated) time in your fixed fame. When you divide the length in a moving frame by γ, you get the shorter (contracted) length in your fixed frame.
The fractional change of reacting mass to energy in a fission reactor is about 0.1%, or 1 part in a thousand. For each kilogram of uranium that undergoes fission, how much energy is released? If energy costs 3 cents per megajoule, how much is this energy worth in dollars?
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