posted by Jarrad Schomaker .
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?