Question #f1f0e

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Question #f1f0e

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Answer 1 · 2015-10-01T15:34:25

B

Explanation:

The speed of light is B regardless of Einstein's equation.

Answer 2 · 2015-10-01T15:36:12

$c = 3 \times 10^{8} \frac{m}{s}$ $c=3xx10^8m/s$

Explanation:

In Einstein's equation:
$E = m c^{2}$ $E=mc^2$
you need to use $c = 3 \times 10^{8} \frac{m}{s}$ $c=3xx10^8m/s$
to get:
$E = 1 \cdot {(3 \times 10^{8})}^{2} = 9 \times 10^{16} J$ $E=1*(3xx10^8)^2=9xx10^16J$ in Joules.

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Question #f1f0e

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