A block of iron of mass 2.5 kg has an initial temperature of 15∘C15^\circ\text{C}15∘C. It absorbs 5750 J of thermal energy.
The specific heat capacity of iron is 460 J/(kg ∘C)460\text{ J}/(\text{kg }^\circ\text{C})460 J/(kg ∘C).
What is the final temperature of the iron block?
5.0∘C5.0^\circ\text{C}5.0∘C
10∘C10^\circ\text{C}10∘C
20∘C20^\circ\text{C}20∘C
27.5∘C27.5^\circ\text{C}27.5∘C
119 exam-style questions on CIE IGCSE Physics 2.2.2a Internal energy and temperature. Each one has a worked solution and a mark scheme showing where the marks go.