Archive for October, 2009
Saturday, October 31st, 2009
Heather asked: Harnessing Energy for a brighter future!Learn how to create a green energy source. Eliminate your power bills and get paid from your power company, as your meter will run backwards. Generating your own energy is a lot easier than most people think. For under $200 bucks you can ...
Posted in Diy | No Comments »
Wednesday, October 28th, 2009
N.H.F asked: According to the conservation of energy, energy is transformed into other forms of energy. In real cases, for example, in engines, not all chemical energy (from the fuel) is converted to kinetic energy (correct me if I'm wrong) because some of the input energy is dissipated as heat ...
Posted in Physics | 2 Comments »
Wednesday, October 28th, 2009
Paige Green asked: Are you looking to raise a "green baby"? While parents certainly don't want to bring up a child with jaudice, there are a number of eco friendly options available when it comes to raising baby green.Babies have exceptionally sensitive skin and very delicate immune systems so baby ...
Posted in Babies | No Comments »
Wednesday, October 28th, 2009
sterlin_marlin40 asked: A typical nuclear power plant generates electricity at the rate of 1060 MW. The efficiency of transforming thermal energy into electrical energy is 1/3 and the plant runs at full capacity for 76% of the year. (Assume that this nuclear power plant is down about 24% of the ...
Posted in Engineering | 1 Comment »
Tuesday, October 27th, 2009
Steve asked: Not including the green jobs the free market has already taken into account.
Wind energy costs 25% more than coal. In essence our energy productivity will go down by 25%.
Whenever has productivity going down created jobs?
Do not give me the foreign oil, the only time foreign oil is ...
Posted in Politics | 27 Comments »
Tuesday, October 27th, 2009
Martin Johnstone asked: Society as a whole is submerged... submerged within the depths of marketing campaigns run by corporate giants? This is a question that anyone could ask and anytime it is asked, could unveil a certain degree of truth in anyone's life "How did the community - the society ...
Posted in Cars | No Comments »
Tuesday, October 27th, 2009
Brian H asked: I am confused between standard gibbs free energy change and gibbs free energy change. Aren't both the change in gibbs free energy of the system when reactants are converted completely, or 100 %, to products? Why does the change in gibbs free energy of the reaction change ...
Posted in Chemistry | 1 Comment »
Monday, October 26th, 2009
KCWS asked: What is the energy required to make a decorative nutcracker? As in, how much energy and the type of energy. Thanks in advance for your answer!ROBERT
Posted in Homework Help | 1 Comment »
Sunday, October 25th, 2009
Justcurious asked: When you insert a dielectric between the plates of a capacitor, the energy of the capacitor decreases.
1). Where does the energy go to to create the difference from before?
2). Also, what would happen to the energy if the capacitor remained connected to the battery and the ...
Posted in Physics | 4 Comments »
Saturday, October 24th, 2009
My son is due 8-23-09 asked: For physics class I have to design my own experiment.
I want to conduct an experiment answering how to convert energy from a waterwheel to a light bulb.
How exactly can I get the energy to convert?
Will I have to get a generator or something?
I know ...
Posted in Physics | 5 Comments »