to energy. Each second, 4.19 × 109 kg—approximately the capacity of 400 average-sized cargo ships—is changThe Sun converts an enormous amount of mattered to energy. What is the power output of the Sun?
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Answer:
26W
Explanation:
ER
=(4.19×109 kg)(3.00×10 8 m/s) 2
=3.77×10
26 J
We then apply the definition of power:
\mathscr{P}=\frac{3.77 \times 10^{26} \mathrm{~J}}{1.00 \mathrm{~s}}=3.77 \times 10^{26} \mathrm{~W}P=
1.00 s
3.77×10
26 J
=3.77×10
26 W
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