Problem $3-10$ pts Problem $3-10$ pts

A long thin copper rod $6\mathrm{.}4$ mm in diameter is exposed to an environment at $20C.$ The base

temperature of the rod is $150C.$ The heat transfer coefficient between the rod and the

environment is $24\frac{W}{m^{2C}}.$

Calculate the heat given up by the rod.

A long thin copper rod $6\mathrm{.}4$ mm in diameter is exposed to an environment at $20C.$ The base

temperature of the rod is $150C.$ The heat transfer coefficient between the rod and the

environment is $24\frac{W}{m^{2C}}.$

Calculate the heat given up by the rod. I got $62\mathrm{.}784$ which is wrong.