James J. Kovalcin - Physics - Physics - Science

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Expert Profile: James J. Kovalcin

Expertise: I am teaching or have taught AP physics B and C [calculus based mechanics & electricity and magnetism] as well as Lab Physics for college bound students. I have a BS in Physics from the University of Pittsburgh and a Master of Arts in Teaching from same. I have been teaching physics for 34 years. I am constantly updating my skills and have a particular interest in modern physics topics.

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Average Ratings
Prestige Points: 27832
Knowledge	9.81 Best of the best
Clarity of Response	9.68 Best of the best
Timeliness	9.80 Best of the best
Politeness	9.88 Best of the best
Number Of Questions (in Past 24 Hours)		2
Max Questions to be Asked (in 24 Hour period)		2
Total Questions (since joining AllExperts)		2353

Recent Reviews from Users

Knowl	Clarity	Time	Politeness	Date
8	10	10	10	11/18/08
10	10	10	10	11/16/08
10	10	8	10	11/17/08
10	10	10	10	11/14/08
10	10	10	10	11/10/08

User Comments

Thanks
(Gehan on 11/18/08)

Thank you for sending me in the right direction - fast!
(Brian on 11/16/08)

Thank you very much
(Nichole on 11/14/08)

Thank you so, much!! Once I read the problem, I got a little intimidated by all of the "unwritten" unknowns, but you have made it very clear.
(Nichole on 11/10/08)

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Recent Answers from James J. Kovalcin

2008-11-18 Magnet Powered rotation: What is impossible is the construction of a motor [magnetic or otherwise] that is capable of outputting more energy than is put into it! This goal has been sought after for nearly 200 years and unless...

2008-11-17 Magnetic Motors: I watched the video and am sorry to say that it is wishful thinking only! No such motor is possible. Such stories have been proposed many times in the past only to be shown to be fake! Believe it or not...

2008-11-17 Magnetic Motors: I am still a bit confused by your question because ALL electric motors are "magnet motors"! I suspect that the confusion here has to do with what the function of an electric motor is! An electric motor...

2008-11-16 Optics: Whether or not a surface absorbs or reflects light depends on the nature of the electron orbitals in a particular surface. In order for a substance to absorb a particular color of light the electrons within...

2008-11-16 Magnetic Motors: Of course not! If they did they wouldn't work. The "Laws of Physics" are NOT optional! What is it that influences you to ask this question? There must be something about motors that seems to you to violate...