How much kerosene must be burned to get 1200 MJ of energy?

univerkov | December 5, 2020 | education

given:
Q = 1200MJ
q = 4.6 * 10 ^ 7 J / kg
Find: m -?
si:
1200 MJ = 1.2 J
decision:
Q = qm
m = Q / q
m = 1.2 / (4.6 * 10 ^ 7) = 1.2 / 46000000 = 2.6 (approximately)

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