Lecture 13 Flashcards
Has the use of resources rise of fall in the most developed countries?
Risen
As “quality of life” increases so does what
resource consumption
MDC contain ____% of the world population and use ___% of the worlds energy and minerals
15% and 70%
USA has ___% of the worlds population and uses ___% of world GDP. ____% of all energy and has ___% of all pollution release
4.8%
22%
33%
30%
India has ___% of the worlds population and uses ___% of energy
18% and 5%
Canada has ___% of the worlds population and uses ___% of all energy
0.5% and 4%
Why does Canada use so much energy?
Because Canadians travel great distances
What and when did humans acquire energy from over history
1) Fire = millions of years ago
2) Animals = 10000 years ago
3) Waterwheel = 3000-4000 years ago
4) Windmill = 1000 years ago
5) coal = 150 years ago
6) Oil = 100 years ago
7) Natural gas = 90 years ago
Where was the waterwheel created
in Asia
Where was the windmill created
in Europe
What is the base unit of energy
KG m/sec^2
If a ____ () is applied to an object of ___ () then the object will be observed to undergo acceleration
Force (F) and mass (M)
what is the equation to find out force?
F = Ma
Energy is the product of what
Force
what are jules?
A way to measure energy