Question

Problem 2. The average per capita rate of primary energy use in Canada is approximately 13 kW. Spruce trees grow at an average rate of approximately 0.005 kg/m2 of forest per day and have an average energy content of 1.7 x 107 J/kg. (a) If all energy in Canada were generated from spruce trees with the same average efficiency as present energy sources, what is the area of spruce forest needed to satisfy one person's energy needs? (b) What is the area of spruce forest needed to provide all of Canada's population with energy? What fraction of the total land area does this represent?

Answer 1

kg m2 4- kWメ 13 24-X3600

on34 Crove - 4 Combubd fors and 9.9g厂 04 89 4.