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Question

Question: The energy equivalent of 1 kilogram of matter is about-...

The energy equivalent of 1 kilogram of matter is about-

A

10–15 J

B

1 J

C

10–12 J

D

1017 J

Answer

1017 J

Explanation

Solution

E = mc2 = 1 × (3 × 108)2 = 9 × 1016 » 1017 J