To what temperature must a cylindrical rod of tungsten 15.025 mm in diameter and a plate of 1025 steel having a circular hole 15.000 mm in diameter have to be heated for the rod to just fit into the hole? assume that the initial temperature is 25°c.  l(steel) = 12.0  10-6 (c)-1 and  l (w) = 4.5  10-6 (c)-1 force (n) length (mm) 0 50.800 7249 50.851 14498 50.902 21604 50.952 28853 51.003 36102 51.054 40104 51.308 43005 51.816 46508 52.832 47908 53.848 49010 54.864 49202 55.880 47803 56.896 46502 57.658 44301 58.420 38098 59.182