Question

A steel ball of mass 1 kg and specific heat 0.4 kJ/ kg is at a temperature of 60 ⁰C. It is dropped into 1 kg water at 20⁰C. The final steady state temperature of water is                                                                                            

      (a) 23.5⁰C                                                           (b) 30⁰C

      (c) 35⁰C                                                              (d) 40⁰C

Answer 1

answer d 40oC