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3 months ago
Professor Walter Lewin, A New Physics Superstar
Professor Walter Lewin of MIT draws fans around the world with his online physics lectures.
Read the full U.S. News article at http://www.usnews....
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Well, is nice but..... What would happen is the string is not fully stretched when he lets go the iron ball in front of him? , would be the same result? then you have to take in account the material of which the string is made of? that is when physics get interesting... “real world physics, wh...