Find the temperature in a bar of silver of length 10 cm and constant cross section of area (density , thermal conductivity , specific heat that is perfectly insulated laterally, with ends kept at temperature and initial temperature , where f(x) °C 0°C 0.056 cal>(g °C) 10.6 g>cm3 1.04 cal>(cm sec °C) 1 cm2 u (x, t)

Fill in the blanks for the following statements: the rms speed of the molecules in a sample of h2 gas at 300 k will be times larger than the rms speed of o2 molecules at the same temperature, and the ratio µrms (h2) / µrms (o2) with increasing temperature. a not enough information is given to answer this question b sixteen, will not change c four, will not change d four, will increase e sixteen, will decrease