The sun generates energy through nuclear fusion, which converts mass intoenergy. If the sun radiates 3.8 × 1026 W of power, calculate the rate at which the sun loses mass (i.e., kg/s)._________×109kg/s ? Compare the energy produced per kg of fuel for the combustion of coal, d-d fusion and d-t fusion.d-d: __________ ×107 MJ/kg?d-t: ___________×108 MJ/kg ? The age of the sun has been estimated at 4.6 billion years. If it has radiatedenergy at the same rate throughout its lifetime, 3.8×1026 W and if its current mass is1.989×1030 kg, what fraction of its original mass has been lost _____________% ?

Solution: Given Values, The energy of the sun radiated per second (E)=3.8 ×1026 W=3.8×1026 J/s We know that, From Einstein Equation: The mass and energy can be interconverted and the equation is given as: E=m.C2Where,m=mass rateC=speed of light=3×108 m/s Here, The rate of change of energy and the rate of mass change is given as: dEdt=dmdt×C2We have,E=3.8×1026 J/s So, From the above relation, We can write as: 3.8×1026 J/s =dmdt×3×108 m/s2So, by sloving above equation we get:dmdt=3.8×1026 J/s 3×108 m/s2dmdt=4.22×109 Kg/s Thus, The rate at which the sun loses mass is 4.22×109 Kg/s Dear Student, As per our policy, We are allowed to write only answer for the first part of the question So, Please post the remaining questions seperately. Thanks

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Advanced Physics

The sun generates energy through nuclear fusion, which converts mass into energy. If the sun radiates 3.8 × 1026 W of power, calculate the rate at which the sun loses mass (i.e., kg/s). _________×109kg/s ?

The sun generates energy through nuclear fusion, which converts mass into energy. If the sun radiates 3.8 × 1026 W of power, calculate the rate at which the sun loses mass (i.e., kg/s). _________×109kg/s ?

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Question

The sun generates energy through nuclear fusion, which converts mass into
energy. If the sun radiates 3.8 × 10²⁶ W of power, calculate the rate at which the sun loses mass (i.e., kg/s).

_________×10⁹kg/s ?

Compare the energy produced per kg of fuel for the combustion of coal, d-d fusion and d-t fusion.
d-d: __________ ×10⁷ MJ/kg?
d-t: ___________×10⁸ MJ/kg ?

The age of the sun has been estimated at 4.6 billion years. If it has radiated
energy at the same rate throughout its lifetime, 3.8×10²⁶ W and if its current mass is
1.989×10³⁰ kg, what fraction of its original mass has been lost
_____________% ?

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