Applications Definition and 662 Threads

Homework Statement Find the Taylor polynomial T_n(x) for the function arcsin x at a = 0, n = 3 Homework Equations Well, I understand the Taylor poly. for sine, but how do i get arcsine?

Hi, This is my first post on Physics Forums, so yay to that. :-D I have a project to do on Motion Geometry. I've gotten adequate information for most of my project. But, now, I require the applications of Motion Geometry, particularly that of rotation (I seem to have some information or the...

What are some ways that breakthroughs in quantum mechanics have been applied to real world applications?

(No, not homework) This struck me by curiosity. What applications could supercooling possibly have? :confused:

Homework Statement Please help me with this problem. If you could at least give me the formula I could probably figure it out. I have worked out all of my homework but this one. Please type out the formula in word form. I have a hard time figuring out what is squared and what all is...

Hello, I have searched through out the internet but I couldn't find any information about the origin of Pascal Triangle & how it came into being... Because I am sure that such a precise & accurate numerical array didn't come out of no where ! I will be very thankful for your guidance. My...

Hey everyone, I have a few questions concerning computers, I know a significant amount of electronics but not so much on the computer end... Anyways, say I wanted the simple application of controling a light (an LED for example) with my computer - what's the easiest way to wire-in or...

Any validity to the clinical applications for scar tissue ? http://dermaroller.de/

Something has been puzzling me...what is an imaginary number in real life? I know that engineers sometimes use it but how do they apply it to real world situations? How is it anything but a mathematical constant?

Nuclear-Plant Analyses Ordered http://online.wsj.com/article/SB120847674445424819-email.html Article also mentions that the interest in new plants is leading to heightened scrutiny of existing plants; a few licenses are at risk. Why the additional scrutiny?

Hi From what physical concept is Snell's law derived?

In the pdf attached, I need help in questions: 4 and 5. Here's what I did: for 4 I had some thoughts how to tackle this but none were fruitful, one was to show that if they were any zeros in the interior of the curve, at least one then because f is analytic in this domain then this zero...

Well, we've had the Stone Age, Iron Age, Bronze Age, the Atomic Age, and now even the Silicon Age, perhaps to be followed by the Carbon Age. So what could we do with a Superheavy Age? http://www.eurekalert.org/pub_releases/2008-04/acs-nse031108.php What could be done with long-lived...

[SOLVED] Diff EQ applications problem A tank initially holds 25gallons of water. Alcohol enters at the rate of 2gallons/minute and the mixture leaves at a rate of 1 gallon/min. What will the concentration of alcohol be when there is 60gallons of fluid in the tank The Attempt at a...

Hi I Have Got An Assignment On Applicatiions Of Dc Shunt Motors And Dc Shunt Generators. Plz... Guys Post Ur Replies Soon. Gotta Submit It Tomorrow

can someone please help to reason out this. because i am confused...is the question about static friction..please help On a truck which is moving straightforward on an horizontal road there is a big cube of concrete of mass m. The mass of the truck is M. The truck brakes suddenly with an...

Due to too much wrong information being posted on my behalf, I am resubmitting a cleaned up version of my last post. I have 2 hours to get this problem done :(. Essentially, I don't know at all how to find the Taylor Polynomial for g(x) = \frac{1}{x^5 ( e^{b/x} -1)} [/URL]

Homework Statement f(\lambda) = \frac{8\pi hc\lambda ^{-5}}{e^{hc/\lambda kT}-1} Is Planck's Law where h\ =\ Planck's\ constant\ =\ 6.62606876(52)\ \times\ 10^{-34}\ J\ s; c\ =\ speed\ of\ light\ =\ 2.99792458\ \times\ 10^{8}\ m\ s^{-1}; and\ Boltzmann's\ constant\ =\ k\ =\ 1.3806503(24)\...

Fission is a process in which a nucleus splits into two parts that are roughly the same size of the original nucleus. Tn fusion, two nuclei fuse, or combine, to form one nucleus. These reactions seem to be opposite to each other and yet both release large amounts of energy. Explain why this is...

2008 Stanford Innovation Tournament http://eweek.stanford.edu/2008/winners.html Clever and amusing.

Pliz Help me and enlighten me about the numerical and non-numerical applications of computers.

After all, fortran isn't object oriented and it's used a lot by scientists. And a lot of scientists also use C, which isn't object oriented either. So someone told me that the four languages to know (for theoretical biology) are C, Java, Perl, and Python.

Homework Statement 15) In Question 14, if the ramp makes an angle of 20 degrees with the level ground. Find the magnitude of the force tending to lift the crate vertically. Textbook Answer for Question 15: 108.3 N ---- 14) A crate is being dragged up a ramp by a 125 N force applies at an...

In a 12V dc typical car how could you possibly obtain a 24 volt power source that would charge off the existing alternator, without upgrading the entire car to run off the 24V power source? In the engine bay I would like to have access to 24Vdc power so was hoping I could either install two...

Greetings Can somebody please help me understand the use of transistor as a switch and that as an amplifier?

Homework Statement A frictionless track is to be built as shown, with L=4.60m and H=4.80m. In order to get the cart to slide from the top to the end of the track in the minimum time, how long should the distance D be? Assume that the speed of the cart on the horizontal surface is the same as...

Guys I am inquirin about some applications of any digital modulate schemes ...

Since every other message board has it, why not us? So what schools did you apply to and which ones did you get into? I applied to the following Math graduate programs: MIT Harvard Berkeley Stanford Princeton Chicago Columbia NYU Yale Cornell Texas UCSD Rutgers Duke UPENN...

Dear all, I need clarification regarding torsion angle. In textbook torsion angle is explaining that one end is rigidly fixed another end is giving load.In this we can visualize theta where as practical application motor coupled with line(transmitting lengthy shaft)shaft i cannot visualize...

Can someone explain to me 2 basic applications of RL circuits? What are they used for and some examples, please. I'm quite confused. It doesn't take much.:blushing:

Hello all, this is my first post on this site, so I'll try not to look stupid. I am currently trying to design a new intake manifold for a turbo 1.6L engine. I have never attempted to this before, but I have a few ideas in mind, and would like some feedback. First, I could use a D-shape pipe...

Hi there, I'm working on a mini research about electrical applications for nano particles, since no books are available on this (in my city). I tried the net but I was confused of the much information about nanotechnology. If anyone can find a link for an article (for free:blushing:) or any...

Hi all, My math is kinda weak but I'm re-attempting a precalculus course . I was just wondering exactly how the unit circle helps me?? I mean,I can generate it quite easily(from memory,but)...but why not just convert to degrees and enter it into my calculator? Also,finding angles that...

Basically I have to write a 2 page report briefly on some applications of markov chains, other than Population dynamics and gambling scenarios. It would be great if someone could give me some ideas on relevant applications of these, fairly simple ofc :P The more indepth i read into markov...

Homework Statement A simple eigenvector problem using a 2x2 matrix. Homework Equations Ax = \lambda x The Attempt at a Solution I don't have one. I know and understand the theory behind eigenvectors, but I cannot think of a practical application. I need to create a problem that uses...

Q: Prove that if f: R^n -> R is defined by f(x)=arctan(||x||), then |f(x)-f(y)| <= ||x-y|| FOR ALL x,y E R^n. [<= means less than or equal to] Theorem: (a corollary to the mean value theorem) Suppose f is differentiable on an open, convex set S and ||gradient [f(x)]|| <= M for all x E S...

I wanted to know in what applications there is a great need for very accurate temperature sensing in other words If you could measure surfaces with an accuracy of 10X what you can measure today – would that gain you anything? Or what applications would such accuracy be most useful for...

[SOLVED] Applications of Partial Derivatives-Cone Homework Statement (Q) (Q) If a cone grows in height by dh/dt = 1 and in radius by dr/dt = 2, starting from zero, how fast is its volume growing at t =3? Homework Equations The Attempt at a Solution By applying the chain rule...

Homework Statement The lengths a,b,c of a rectangle are changing with time. At the instant in question, a=1m, b=2m, c=3m and da/dt = db/dt = 1m/sec, and dc/dt = -3m/sec. At what rate is the box's volume changing at this instant? Homework Equations Chain rule for partial derivatives...

Hello, This is my first post on the forums. It's mostly elicited by anxiety about getting into grad school. I have seen a bunch of similar posts, and extrapolated as many data points as I could from them (in terms of where to apply, etc). But it's always nice to receive personalized...

Q: A particle is following the path C: f(t)=(2cos(t), 2sin(t), t), t>=0, and flies off on the tangent line at time t=3pi/2. Find the position of the particle at time t=5pi/2. Solution: f'(t)=(-2sint,2cost,1) f'(3pi/2)=(2,0,1) f(3pi/2)=(0,-2,3pi/2) Equation of the tangent line...

Are there any applications for the lissajous figures? I haven't seen any applications for them besides the ABC logo so I was curious as to it's uses both in science and everyday life.

Two identical conducting spheres each having a radius of 0.460 cm are connected by a light 1.20 m long conducting wire. Determine the tension in the wire if 69.2 (micro)C is placed on one of the conductors. (Hint: Assume that the surface distribution of charge on each sphere is uniform.)...

Hi, I'd like to know all about different methods to produce ultrasound and its applications. Can somebody give me detailed description of the methods of production of ultrasound? Or at least give me the links for such descriptions? Regards. -- rAgAv

Does anyone know if it is possible to store hydrogen in aerogels?

Homework Statement 32. Three gears are arranged as shown in the figure below. Find the angle \phi 46. Prove that the area of a parallelogram is the product of two adjacent sides and the sine of the included angle. Homework Equations The Attempt at a Solution 32. I assumed...

i've got a problem about the thevenin and Nortn models applications. i've been given a table giving 3 outpout voltages(v1= 200v,v2= 150V,v3 = 100v) from the voltage sources with their corresponding current(I1= 0A,I2= 12A,I3=22A). The question was to draw a V-I diagram and draw the...

Does the Simpson's rule of numerical integration (\frac{1}{3}h\left( {f_0 + 4f_1 + f_2 } \right)) give exact values for all polynomials to a third degree i.e., linear functions, quadratic functions, and cubic functions? Is there a better method for numerical integration approximation? One...

Excuse me, since the question could be misplaced to this board while a better forum board might fit: Why is Geometry in High School, the college preparatory course, important for any PRACTICAL puposes, when Intermediate Algebra, Trig+Math Analysis, and Statistics seem so much more practical...

I have read a bit about Tesla turbines and their amazingly high RPM output. I have also read that they don't product much torque, which is possibly why they haven't been used in anything more than dentist's drills and other things requiring speed but not high torque. How much power could one...