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thermal Energy

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Suppose a bar 1 m long expands .5 cm when heated. By how much will a bar 100 m long of the same material expand when similarly heated?


If each one meter expands a half centimeter, then one hundred meters will expand 100*.5cm. Think on that.


NO I DON'T UNDRERSTAND WHAT THAT MENS
THERMAL ENERGY MEANS


If there is a positive change in Thermal Energy is there a gain or loss in energy?


fmdmid?

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