The Sun has mass 2.0 ( 1030 kg and radiates energy at the rate 3.9 ( 1026

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The Sun has mass 2.0 ( 1030 kg and radiates energy at the rate 3.9 ( 1026 W.
(a) At what rate is its mass changing?
(b) What fraction of its original mass has it lost in this way since it began to burn hydrogen, about 4.5 ( 109 y ago?

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Fundamentals of Physics

ISBN: 978-1118230725

10th Extended edition

Authors: Jearl Walker, Halliday Resnick

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Question Posted: May 02, 2016 11:14 AM

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The Sun has mass 2.0 ( 1030 kg and radiates energy at the rate 3.9 ( 1026

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a Let M be the mass of the Sun at time t and E be the energy radiated to th...View the full answer

Fundamentals of Physics

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