Recent content by th5418
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Simple model of electrostatic trap
Hey guys, I need some help on my research assignment which was dumped upon me during finals week. Thank you research leader for unloading your anger upon this poor undergrad. Anyways, I'm in a project to construct an electrostatic trap... and to model it in matlab. I figure I should try to do...- th5418
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- Electrostatic Model
- Replies: 1
- Forum: Electrical Engineering
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How Does Charge Density Inside a Conductor Dissolve Over Time?
Homework Statement We know that free charges inside a conductor will eventually move to the conductor surface. Consider a free charge initially placed inside a conductor at t=0. Show that the free charge density \rho_f will dissolve exponentially with time. Express the characteristic time...- th5418
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- Charge Charge density Conductor Density
- Replies: 6
- Forum: Advanced Physics Homework Help
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Transmission Coefficient for two step potential
Homework Statement E>V_1 & V_2 So it's a step potential wave, setup. Let's set it up along the x axis. At x=0, there is the first step where it is V_1. At x=a, there is another step, where V_2>V_1. Show that the transmission coefficient is...- th5418
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- Coefficient Potential Step potential Transmission Transmission coefficient
- Replies: 2
- Forum: Advanced Physics Homework Help
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Solving Poisson's Equation in 1D: A Shortcut Using Variable Substitution
Homework Statement Alright, well this is more of a math problem I guess... but here it is. \frac{\partial^{2}}{\partial x{2}} V = - \frac{I}{A\epsilon_o} \sqrt{\frac{m}{2e}} \frac{1}{\sqrt{V}} Everything besides the V is constant. Homework Equations Trying to solve for the potentialThe...- th5418
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- 1d
- Replies: 1
- Forum: Advanced Physics Homework Help
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How Does Recoil Affect Photon Emission and Absorption Frequencies?
I am still lost. Sorry ><- th5418
- Post #5
- Forum: Advanced Physics Homework Help
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How Does Recoil Affect Photon Emission and Absorption Frequencies?
In the case of \nu_o momentum isn't conserved right? My main question is if I need to do like two situations, one where we take into account the recoil, and another we dont. And we do a momentum and energy conservation equation for both situations...- th5418
- Post #3
- Forum: Advanced Physics Homework Help
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How Does Recoil Affect Photon Emission and Absorption Frequencies?
Homework Statement Show that the fractional change in frequency of a photon absorbed or emitted by an atom initially at rest is \frac{\nu - \nu_o}{\nu} = \pm \frac{h\nu}{2Mc^{2}} where M is the mass of the atom, \nu_o is the frequency of the transition uncorrected for the recoil of the atom. In...- th5418
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- Change Emission Photon Photon emission
- Replies: 5
- Forum: Advanced Physics Homework Help
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Studying Improve Your Grades: The Importance of Studying Before Tests
Aiy, I never know how to study for a physics test, I just end up doing problems to get more accurate with my computation. There isn't really "studying" for more understanding of a problem if you already understand it..- th5418
- Post #5
- Forum: STEM Academic Advising
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Does Theoretical Math Really Help with Physics? | My Experience at Berkeley
I'm interested in doing high particle theoretical research by the way, if that is any help. I'd like to take a numerical analysis class too. You think I should just skip abstract algebra then Fredrik?- th5418
- Post #11
- Forum: STEM Academic Advising
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Does Theoretical Math Really Help with Physics? | My Experience at Berkeley
http://sis.berkeley.edu/catalog/gcc_list_crse_req?p_dept_name=Mathematics&p_dept_cd=MATH There's the link to all the math major courses. 100-199 are upper division courses. The thing is I don't hate it. I'm just struggling because my background in mathematical proofs is pretty weak. I'm...- th5418
- Post #8
- Forum: STEM Academic Advising
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Does Theoretical Math Really Help with Physics? | My Experience at Berkeley
I hate pure math. But there are a limited number of applied mathematics courses here.- th5418
- Post #5
- Forum: STEM Academic Advising
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Does Theoretical Math Really Help with Physics? | My Experience at Berkeley
I see, what classes are suggested to take? I'm currently taking Linear Algebra, plan on taking Analysis and Abstract Algebra and later on Complex Algebra to get a minor.- th5418
- Post #3
- Forum: STEM Academic Advising
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Does Theoretical Math Really Help with Physics? | My Experience at Berkeley
So, I'm currently a 3rd year in the Physics program at Berkeley, and this is my first semester transitioning into upper division mathematics. I never knew it would be so theoretical, does any of this theoretical math actually help me do physics problems? Also, I plan on applying for theoretical...- th5418
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- Replies: 11
- Forum: STEM Academic Advising
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Schools Looking for some suggestions in community college
I just transferred this year.- th5418
- Post #13
- Forum: STEM Academic Advising
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Schools Looking for some suggestions in community college
I did, I did made robotics competition with them, but then afterwards I stopped attending since the project that they were doing was kind of stupid.- th5418
- Post #12
- Forum: STEM Academic Advising