How much mass does the sun lose through nuclear fusion per second?

Physics

1 answer:

Mekhanik [1.2K]4 years ago

3 0

Answer:

1.10^6 kg of mass per second

Explanation:

All energy lost by the sun comes from nuclear fusion.

Sun loses energy at 2.5*10^{19}J per hour, that is 9*10^{22}J/s

To find the mass lost by the sun in liberation of energy you use the famous Einstein's equation:

$E=mc^2\\\\m=\frac{E}{c^2}=\frac{9*10^{22}}{(3*10^{8}m/s)^2}=1*10^6kg$

hence, the sun liberates 1.10^6 kg of mass per second

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