ANSWERS: 3
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Now I have a headache!
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No, we must rather consider Pythagoras: A^2 + B^2 = C^2 This yields: E = M (A^2 + B^2)
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Nope, not true! It's comparing apples with pears. The "C" in the 2 equations are not the same thing. In #1 it is the surface area of a circle and in # 2 it is the "constant" of the speed of light used in Einstein's formula.
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