Answer to Question #158475 in Physics for Richard Barron

Question

5. a What is the inverse square law? Give two examples of how it relates to fire safety and

outline a factor other than the spread of heat where the inverse square law also

impacts on fire safety in premises. (6 marks)

b. Illustrate the development of a fire using a drawing of a curve indicating heat

production versus time. (4 marks) Draw two further sketches to indicate the form of

the growth and decay curve that you would expect in the case of: (4 marks)

i) A slow smouldering fire

ii) A firework

c. What is meant by a t2 fire and what are the implications for fire safety? (6 marks)

Answer 1

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