Question

  A workman needs to know the temperature inside the oven. He removes 2.0-lb. iron bar from the oven and places in a 1-lb aluminum container partially filled with 2.0 lb. of water. If the temperature of the water rises from 70 to 120^oF, what was the oven temperature?

Answer 1

The oven's temperature is

$$T=120\degree F$$