What are the positive human impacts on energy conservation?

Im writing a 1750 worded essay on energy conservation and this is part of it. Please help, ill really appreciate it.

If an asteroid hits the earth and energy conservation is not followed, which of these two is likely to happen:- a)- The asteroid bounces back b)- It impacts the earth but nothing happens 2)- When water vapours condense on the window of your car, what...

i am a little confuse with Calculating Thermodynamic Changes and Conservation of Energy and Chemical Reactions my books says Calculating Thermodynamic Changes If we represent a system’s internal energy by E, then the change in internal energy during...

I saw a document about Jupiter's moons Europa and Io being warmed by the flexing caused by gravitational pull of the planet they're orbiting, Jupiter (reference: http://www.solarviews.com/eng/io...). The first question that comes to mind is: where is...

As per the law of conservation of energy. We can not destroy the energy, energy can simply be converted from one form to another. So can we convert sound energy to electrical energy ?. Can we generate electricity from noise pollution ?.

I'm having trouble understanding the energy conservation of thermodynamics. I understand that the first law of Thermodynamics is change in U = change in W + change in T, but when I actually need to apply energy conservation to a problem I run into trouble...

Suppose a body has some velocity in my frame of reference. It has some Kinetic energy. Now if I also start moving with same velocity, it has zero velocity in my frame of reference (ie. stationery) which means it has no kinetic energy. Now does this not...

http://www.appliedthought.com/InsightPress/ThinkSample.html gives a sample question from the book 'Thinking Physics': Which of the following statements is correct? (a) E=mc^2 tells us how much mass loss, m, must be suffered by a flashlight battery when...

Suppose I have a 100% reflecting mirror in space. Light coming from one direction strikes it. Light is fully reflected. Radiation pressure accelerated the mirror. Isn't this a violation of the law of conservation of energy? In its initial state, the...