Question

A steel ball of mass 1 kg of specific heat 0.4 kj/ kgk is at temperature of 60o



c. It is dropped into 1 kg water at 20o



c. The final steady state temperature of water is select one:



a. (a) 35o c



b. (a) 40o c



c. (a) 30o c



d. 23.5o c

Answer 1

23.5℃................