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Need help with some modern physics and mechanics questions

  1. Sep 1, 2013 #1
    Ok, so am gonna post 20+ modern physics and mechanics questions, and am hoping you guys can help me with them. I study in university, and was surprised during my vacation by being told that I have a calculus and physics examination in a week. I took care of the calculus part, but I really need help with the physics, so I'll be posting each question, and once a question is answered and explained to me, I'll post the next one.

    Shall we? All I need is a yes.
  2. jcsd
  3. Sep 1, 2013 #2


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    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi Kd Hashim! Welcome to PF! :smile:


    But please start a new thread for each question.

    And post them in the homework section, using the template (ie showing the work you've already done). :wink:

    (btw, it might be many hours before you get a reply, so you may prefer to ask several questions at once, but again please put them in separate threads)
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