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22 September, 14:07

How much mass energy could be obtained from the complete conversion of a 235 g hamburger?

a) 7.05 x 107 J

b) 7.05 x 1010 J

c) 7.57 x 1011 J

d) 2.12 x 1016 J

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Answers (1)
  1. 22 September, 14:21
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    E = mc²

    E = 0.235 kg · (3*10⁸ m/s) ² = 0.235 · 9*10¹⁶ kg·m/s²

    E = 2.115*10¹⁶ J

    The answer is d) 2.12*10¹⁶ J
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