2 Part Question: Calculation: The renewable resource with th…

2 Part Question: Calculation: The renewable resource with the greatest potential for energy creation at almost 23,000 Terawatts per year is solar energy.  The WORLD’s current annual need for energy is around 18 Terawatts.  So calculate how long it takes the sun to generate 1 full YEAR of energy for the WORLD!   Short Essay:  Discuss the implications of the potential for solar power.  Why have we not completely focused in this area?  What happens if we do and the sun collapses?  

Short Essay:  How many friends do you really have?  Oxford p…

Short Essay:  How many friends do you really have?  Oxford psychologist, Robin Dunbar, found that the average number of friends considered dependable is 4.1, and the number of friends who expressed sympathy during crisis is 13.6.  What do you think?  Does that fit with your social network?

Pick three of the following renewable energy sources and for…

Pick three of the following renewable energy sources and for each, LIST one positive potential and one negative concern: geothermal, solar, wind, hydropower, fuel cells, or biomass. Each answer needs to be 1) unique, 2) scientifically detailed = not vague, & 3) cannot be present in the exam questions above!     Positive Potential Negative Concern Renewable Source 1       Renewable Source 2       Renewable Source 3      

Consider a stationary object placed at rest on a horizontal…

Consider a stationary object placed at rest on a horizontal table. A firecracker explodes inside it and three unequal parts of the original object fly away in different directions. The masses of pieces A,B and C are, respectively, M/3, M/2 and M/6 and the angles are