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Use Einstein’s energy equation to solve the following problem. Recall that the speed of light is 3 × 108 m/s. If a 5.0-kg stone is completely converted to energy, what is its energy equivalent in joules?

Verified Answer :

Edufirst

Equation: E = m(c^2)

c = 3(10^8)m/s
m = 5.0 kg

E = 5.0kg [310^8 m/s]^2 = 4510^16 joule = 4.510^17 joule

Answer: 4.510^17 joule

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