Recent content by germangb

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    Undergrad Function Growing Exponentially then Constant at X=0?

    thank you all very much :biggrin:
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    Undergrad Function Growing Exponentially then Constant at X=0?

    I have this function representation whch grows exponentially when it reaches X=0, but then it remains constant at some Y does anybody know a function which looks like that?
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    Calculate a vector wich forma an angle alpha with another vector

    thanks for the help, HallsofIvy, now I see my error. I wasn't using the second equation
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    Calculate a vector wich forma an angle alpha with another vector

    Homework Statement Looks very simple, but I need help. I have a 2D vector, v, and I need to calculate a vector which forms an angle \alpha with it. Thank you very much Homework Equations I think that the equations should be, for 2 given vector u and v: thanks
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    Melting Points: Solids in Tube - Will Temp Remain Same?

    I have 2 solids in a tube. If i start heating the recipient, will the temperature remain the same at the melting point temperature of the substance with the highest melting point?
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    Melting point of the naphthalene [something went wrong]

    hello, Last day in school we were heating solid naphthalene until it melted, but the temperature didn't stop at the melting point. if anybody has any idea of what could happen, please tell me, maybe we didn't do it correctly, or the test tube was dirty or whatever... Thanks
    • germangb
    • Thread
    • Melting Melting point Point
    • Replies: 2
    • Forum: Chemistry
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    Archimedes' Problem: Iron Body Submerged in Water

    i have the following problem: -an iron (7800kg/m3) body is submerged into in water (density = 1000kg/m3) his weight in the air is 0,13N. what i did is: E=dVg (Push force, density of the liquid, volume of the body sumerged and gravity, respectively) then: the volume of the iron body is...