16. The change in length for the section of the steel ruler between its 20.05 cm mark and 20.11 cm mark is 6(20.11cm)(11 10 /C )(270 C 20 C) = 0.055cm.sssLLT−Δ= Δ=×°°−°αThus, the actual change in length for the rod is
This is the end of the preview. Sign up
access the rest of the document.