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Rudolf Ortvay Problem Solving Contest In Physics

  • 29-11-2003 10:54pm
    #1
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,567 Mod ✭✭✭✭


    some interesting questions..
    http://ortvay.elte.hu/1999/e/problems.html

    http://ortvay.elte.hu/2003/e/

    Unfortunately we've missed this years one :(
    34th Ortvay Contest (31st Oct. - 10th Nov. 2003)
    http://ortvay.elte.hu/main.html

    Ah well next year..

    12. Give some methods to estimate the lifetime of the processor fan of a computer. (Fans usually stop or break down because their axle gets worn down due to rapid rotation and lack of lubrication.)

    38. Estimate the light intensity necessary to create the light sabres of Star Wars. In other words, when does a beam of light behave as a rod of finite length? Examine the usability of such an arm, eg the force necessary to hold it in hand etc.


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