Answer to Question #160628 in Quantum Mechanics for Mark C. Radcliff

Quantum Mechanics

Question #160628

What is the mean mass of the Earth converted to pure energy.

Expert's answer

"E=mc^2\\to m=E\/c^2"

To determine the mass it is necessary to know the energy consumed. If "E\\approx10^{20}\\ J" then

"m=10^{20}\/(3\\cdot10^8)^2=1111\\ (kg)" . Answer

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