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Czech Energetics - Mass-Energy Equivalence · Physics Brawl 2013 #FoL.4
Physics
Problem
Imagine you transform a 500 Euro banknote into energy. How many times more valuable does it become? The banknote weights 1.1g, 1kWh of electric energy costs 20 cents. Round the results to tens. Try to discover the real value of money.
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