Physics

Problem

A brass rod

1.5\,\text{m}

long must increase in length by

0.90\,\text{mm}

to fit exactly between two rigid walls. If the coefficient of linear expansion of brass is

19\times10^{-6}\,\text{K}^{-1}

, determine the required rise in temperature. a)

16\,^{\circ}\text{C}

64\,^{\circ}\text{C}

32\,^{\circ}\text{C}

3.2\,^{\circ}\text{C}