Recent content by Stevenpd

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    Compressive force on a cylinder wrapped with a string

    Really appreciate the help everyone. One of my professors was nice enough to help us work it out and then afterwards he found it already exists online: http://en.wikipedia.org/wiki/Capstan_equation Thanks again for all the help!
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    Compressive force on a cylinder wrapped with a string

    Hello everyone, I'm working with a design team to take quick and accurate measurements of the middle upper arm circumference in third world countries to assess malnutrition in children. One of the issues in taking measurements is people pulling variably on the tape measure around the arm. My...
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    Quantum Tunneling Probability for a rectangular barrier

    ok actually the schrodinger equation i guess really isn't as bad as I thought. Things are starting to come together for me. So i have a few questions then... 1. How can I calculate V(x) (potential energy)? 2. What exactly is the wavefunction? (I see its exp([strange symbol]x)... what's the...
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    Quantum Tunneling Probability for a rectangular barrier

    Ok well actually we have learned differential equations somewhat. and I'm learning BC during my study hall period anyways so that helps. But yea we haven't actually talked about any quantum mechanics in my physics course. this is all on my own. I could use some help just understanding a...
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    Quantum Tunneling Probability for a rectangular barrier

    Hey everyone, For my a research project on quantum tunneling I have to tie in math somehow, so I was wondering if anyone could help me learn to calculate the probability of a wave (preferably like an electron or electrical voltage) of some sort passing through a rectangular barrier, which is...
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    Quantum Tunneling math and Schrodinger's Equation

    Hi, I'm doing a research project for my high school physics class. I originally set out to research touch screens but was disappointed with how simple the mechanics of the iphone are (or at least the basic physics of it). I continued researching and found that soon Quantum Tunneling may be...
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