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ホームブログ記事 #38972コメント

help with physics pleaseコメント • help with physics please

  • 4pt
    Love the fact that MFC now stands for My Friends Science.
    1年前
    6pt
    ...off topic, but what course are you taking?

    (i want to make sure I'll never have to cross paths with this bullshit in my lifetime)
    1年前
    0pt
    My answer is “I haven’t got a clue either” but...after a bit of digging I’d say I would try figuring it out via Coulomb’s constant. I don’t know for sure if the angles are a red herring but I am suspicious. This probably is no help but I thought I’d give it a stab.
    1年前
    6pt
    Sorry, i don't notice that the problem don't include the mass. For calculate the mass, you must protect the force electric and gravitational. Like the system is in equilibrium, the forces are equal and you can calculate the mass.
    http://i68.tinypic.com/10h16qh.jpg
    1年前
    2pt
    pon (1年前) #30899971There are 3 forces acting on the top charge. F_electric, F_gravitational, F_tension.Espi (1年前) #30900000There are three forces, electricity, tension and gravitation.
    I believe he's going to need some more trigonometry to determine the gravitational force, as the mass of the charge wasn't disclosed in the problem.
    1年前
    6pt
    Hello again maths >.>
    1年前
    1pt
    darkfader lolicon
    inb4, a question about strange attractors.
    1年前
    3pt
    WanderingWastrel (1年前) #30899968Well, he is trying to figure out the answer.

    Omg, best joke ever. You made my day xD
    1年前
    7pt
    The answer is 42......
    1年前
    22pt
    There are three forces, electricity, tension and gravitation.
    To solve this problem, you choose the coordinate system with x in the direction of Tension and then you must select the forces in the x direction. You just have to multiply by the cosine and the sine of the angles.

    T = P * cos (24º) + Fe * cos (12º)
    http://i65.tinypic.com/10xu4c1.jpg
    1年前
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