University Physics with Modern Physics with Mastering Physics (11th Edition)

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
17.89: a) The change in length is due to the tension and heating ( 29 . αΔT Y A, F T α L ΔL A F AY F L L - = + = 0 0 for Solving . b) The brass bar is given as “heavy” and the wires are given as “fine,” so it may be assumed that the stress in the bar due to the fine wires does not affect the amount by which the bar expands due to the temperature increase. This means that in the equation
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This document was uploaded on 02/05/2008.

Ask a homework question - tutors are online