Question

Calculate energy equivalent for 2kg of substance

Answer 1

Answer:

1.8 × 10¹⁷ joule

Explanation:

equation for mass energy equivalence

E = mc²

given mass 2kg

c= 3×10⁸ m/s

E = 2kg × (3×10⁸)² = 18×10¹⁶

or E = 1.8 × 10¹⁷ joule

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