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Physical World
Question
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In Physics, matter and energy are used together in an equation. What is the relation between them?

Answer

Yes, the mass of an object is a measure of its energy content. 

The relation between mass-energy is given by, 
                              E =mc2

where, 
m = Mass of an object
c  = Speed of Light


This equation is also known as Mass-Energy Equivalence relation. 

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