Recent content by paridiso

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    Couple REU recommendation letter questions

    This is for REU and other summer research programs. 1) If the program requires letters to be mailed in, should you go out and prepare the envelopes and buy stamps for the professor? In high school they had us do this but I'm unsure of how it works in college. 2) What would be a nice way of...
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    What's on Your Fall 2010 Science Schedule?

    Classical Mechanics 1 Survey of Multivariable Calculus (junior level stuff) Statics Circuits History
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    Programs Minoring in Math: Worth It for Physics/EE Double Major?

    I know it's necessary for physics and if I don't take an LA course I'll definitely learn it by myself. I guess what I'm really asking is is it worth paying a few hundred dollars to have my transcript say I have a minor in math when it already says I have a double major in EE and Physics...
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    Programs Minoring in Math: Worth It for Physics/EE Double Major?

    I'm trying to double major in physics and electrical engineering. I'm most likely going to go to grad school after I get my degree. As you can imagine because of that I have a pretty rigid course structure. Linear algebra is necessary to minor in math but for some odd reason isn't necessary...
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    Using the Quadratic Formula to Solve y + 1/y = x

    1. y + 1/y = x x = (1/2)\sqrt{x^2 - 4} + 1/[(1/2)\sqrt{x^2 - 4}] How do you come to the above conclusion by using the quadratic formula? Homework Statement Homework Equations The Attempt at a Solution
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    Proof question from How to Prove It

    Thanks, I understand it now.
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    Proof question from How to Prove It

    proof question from "How to Prove It" 3.2.8 Suppose a & b are nonzero real numbers. Prove that if a < 1/a < b < 1/b then a < -1 I understand intuitively why this is true, but I can't figure out how to prove it. According to the hints at the back of the book it says to prove a < 0, then use...
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    Max # of electrons in an atom whose highest-energy electrons have n=5

    The first sentence I posted is everything given in the problem. I'm assuming it's in a ground state but I'm not sure.
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    Max # of electrons in an atom whose highest-energy electrons have n=5

    What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number ? I tried 54 and 110. Neither was correct.
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    Courses Is this too heavy a course load?

    Linear Algebra isn't a prereq here. If I end up taking linear algebra I'll be taking diff. equations during the summer. It looks like they teach the LA you need for Diff. Eq. during the course.
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    Courses Is this too heavy a course load?

    Yea I guess that makes sense. Let's say I do end up doing it. Generally, would I be better off taking linear algebra instead of diff. equations and taking diff. equations later? I have to take both anyway so which order's better? Thanks.
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    Courses Is this too heavy a course load?

    Is this too heavy a course load to take in the spring of my freshman year? Calculus 3 - 4 credits Honors Physics 3 - 5 credits General Chemistry 2 - 4 credits Intro to Diff. Equations - 4 credits Some easy gened I have to take - 3 credits That's a total of 20 credits. Physics 3 covers...
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    Admissions Advice on applying programming to physics

    I've got a small amount of programming under my belt right now. I learned some java in my AP Comp Sci AB class and got a 4 on the AP. I want to work on my my programming with the specific intention of getting research experience in physics. It's a little hard for me to work on solely...
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    Why is Adding One Necessary in Binomial Series for 1/\sqrt{1-x^{2}}?

    When expanding it I come up with the following result: \sum (1*3* \ldots (2n-1)*x^{2n}) / 2^{n}n! According to the answer key the answer is: 1 + \sum ((1*3* \ldots (2n-1)*x^{2n}) / 2^{n}n!) Where does the one come from?
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