Energy Smart

zahid_khan_bryant asked:


law of conservation of energy says that energy cann’t be created nor destroyed however it can be changed from one form into another
while quantum theory says that something can be made from nothing
is quantum theory contradicting the law of conservation of energy?

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?uestlove. asked:


How do step up transformers obey the law of conservation of energy?

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Canwegetalong asked:


They would rather tag people who have been talking about energy conservation for YEARS as lefties than address the problem.

Energy should have been a first line priority after 9/11.

What do you think?

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drowning bunnies asked:


-historical background relating to energy conservation of newton’s cradle?

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srinivasarao k asked:


In Physics, Interference of light is in accordance with the principle of conservation of energy. But, in some text i found that diffraction doesn’t obey, even though both are wave phenomenon. If it is so, what is the reason behind it.

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Robert J asked:


an 8.7 kg block slides with an initial speed of 1.66m/s up a ramp inclined at an angle of 27.4 with the horizontal. the coefficient of kinetic frition between the block and the ramp is 0.62 . use energy conservation to find the distance the block slides before coming to rest

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brittanynv asked:


Im really interested in trying to make renewable energy, helping with global warming, and trying to conserve energy. I really like topics like solar panels, go green, etc. I saw a major that was energy engineering and that was perfect, but just at one college. what other majors are like that? please help!

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a11city asked:


If I have two rows of lights, one lit with CFL’s, the other has a dimmer, which will use more energy? The dimmer switch lights or the CFL’s?

Do I really need to turn off the cable box at night to save energy or does that not matter? It’s only a little light with the channel on it.

Does leaving my computer on all day waste a lot of energy?

Please provide resources.

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^.^ asked:


How energy conservation contribute towards green buildings?

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