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15 votes
15 votes
How much energy is contained in a particle that has a mass of 1x10^-9 kg?

User Niiru
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1 Answer

25 votes
25 votes

E = mc²

E = 1 x 10⁻⁹ x (3.10⁸)²

E = 9 x 10⁷ J

User PausePause
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