Archive for September, 2009
Wednesday, September 30th, 2009
blueyedblond22 asked: I know potential energy and kinetic energy can be found, but I don't know about other types of energy and where they are found when you hit the ball.BLAIR
Posted in Tennis | 1 Comment »
Monday, September 28th, 2009
lildrak2002 asked: A 12.5 uF capacitor is connected to a power supply that keeps a constant potential difference of 26.0 V across the plates. A piece of material having a dielectric constant of 3.95 is placed between the plates, completely filling the space between them.
A)How much energy is stored ...
Posted in Engineering | 2 Comments »
Friday, September 25th, 2009
Paige Green asked: Autumn is approaching and that means colder days ahead. However, Australia is blessed with an amazingly moderate climate where even our chilliest days are nothing compared to other regions in the world. This means that Australian residents can take advantage of all natural low emissions heating in ...
Posted in Home Improvement | No Comments »
Thursday, September 24th, 2009
AskBrian asked: In an exothermic chemical reaction, how is energy released? Usually it is simply expressed as reactants -> product + energy. But how is that energy emitted?
I understand the release of electromagnetic energy through photons, but what other vehicles are there? Do the molecules gain ...
Posted in Physics | 1 Comment »
Wednesday, September 23rd, 2009
Gerry Morton asked: What's your favorite pick-me up? Coffee, cappuccino, iced-blended? Or uber-processed caffeinated and sugar-laden energy drinks in a can, like Red Bull or Jolt? These stimulants are wildly popular, and Red Bull has even replaced water in sales, but they're not good for you. Processed energy drinks usually contain ...
Posted in Nutrition | No Comments »
Tuesday, September 22nd, 2009
Stan Stomp asked: The earth has blessed us with an abundance of green energy, all we need to do is tap into it. This site shares a few of the popular green energies like solar and wind power, what we failed to mention is hydro power, bio energy, geothermal, tidal ...
Posted in Business | No Comments »
Sunday, September 20th, 2009
melanie_61 asked: Q1. What is the main energy transformation that takes place in
(a) an electric fan
(b) a television
(c) wood fire
Q2. What is the difference between energy transformation and energy transfer? give exampleJULIO
Posted in Homework Help | 5 Comments »
Sunday, September 20th, 2009
M S asked: How is potential energy converted to kinetic energy and then converted to heat?VERNON
Posted in Physics | 4 Comments »
Thursday, September 17th, 2009
saboor asked: when two waves move in same medium and thier resultant becomes zero after destructive interference.what about their there energy.will energy becomes zero?where it goes.ROBERTO
Posted in Physics | 1 Comment »
Thursday, September 17th, 2009
Blue&green asked: ng>Green Business Start-Up?With much of the attention now on the state of the economy and efforts to begin a new era of opportunities in the renewable energy sectors, now may be the time to look at launching a career in the field of renewable energy.There are opportunies to ...
Posted in Entrepreneurship | No Comments »