Answer to Question #158783 in Physics for aezi

Question

A butcher puts 10 kg of beef into a freezer. The initial temperature of the beef is 27 ̊C. After an hour, the temperature drops to χ ̊C. The amount of heat loss is -850 J. Given the specific heat capacity of the beef is 3.5 J/kg ̊C. Express the answer of χ in ̊C. 

Answer 1

$$Q=mc\Delta T\\-850=(10)(3500)(x-27)\\x=2.7\degree C$$