What is the order of annual energy usage by mankind?
Answers
Answered by
3
normally, uses of energy by A health human in a day =2000kcal we know,
1kcal=4200joules
so, uses of energy by humankind in a day
=2000×4200 joules
=8.4×1(10²)³joules
I hope this is helpful
1kcal=4200joules
so, uses of energy by humankind in a day
=2000×4200 joules
=8.4×1(10²)³joules
I hope this is helpful
Similar questions