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1.List THREE kinds of POTENTIAL ENERGY. 2.By searching the web, find and report the TOTAL energy of the world generated by coal, oil, gas, and

1.List THREE kinds of POTENTIAL ENERGY.

2.By searching the web, find and report the TOTAL energy of the world generated by coal, oil, gas, and nuclear in 2020 in kgm2s-2.

3. ESTIMATE the TOTAL energy of the WIND on the Earth in kgm2s-2.

(HINTS: by the searching on the web, find the MASS of the earth's atmosphere, assume a typical velocity of the WIND, and do (1/2) (MASS)(velocity)2.)

4.How does #2compare to #3? Could you meet ALL the energy needs of the EARTH just from converting its WIND into energy?

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