Energy Smart

Jade asked:


School project need to know ASAP
Thanks so much! um… i was also wondering how energy conservation could be improved, and what would happen if we did conserve our energy to a bigger extent what would happen to our enviroment.

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David S asked:


Suppose that N sticky balls having masses m1, m2, m3, … , mN are arranged about a point in space with various distances and in various directions. The balls are all moving toward the point such that they will all arrive at the same moment. Since they are sticky balls, they will not rebound, but will adhere to each other in a lumpy cluster.

The amount of a particle’s momentum is proportional to the speed to the first power, but the amount of a particle’s kinetic energy is proportional to the speed squared.

Is it possible that the law of the conservation of momentum will require that the aggregate mass, after the collision of all the sticky balls, move in one direction, while the law of the conservation of energy will require it to move in a different direction?

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danielle h asked:


On your research of Energy conservation?

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BB asked:


My electric company runs advertisements promoting energy conservation, as well as ubiquitous inserts on energy saving in every monthly bill. For example, they urge consumers to use compact fluorescent light bulbs, turn down the thermostat, etc.

This is NOT an energy co-op, it’s a for-profit corporation. And my former electric company in a different state behaved similarly, so I know it’s not an isolated case.

Why do they do this? Isn’t it against their own self-interest… like a grocery store urging people to eat less?

Thanks!

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