Applications Definition and 627 Threads

My group is doing a research project for our technical writing class :/ We are studying carbon nanotube production, and are going to say super growth CVD would be the best production method for this company. Would super growth CVD produce usable nanotubes for electrical circuits, batteries, and...

Homework Statement After a volcanic eruption, the ash gradually falls to the ground euqally in all directions. the depth of the ash diminishes with the distance from the volcano such that at a distance r metres the depth is exp(-r^2). find the total volume of ash falling within 1 km of the...

Homework Statement I know that Rolle's Theorem states that if the function f is continuous on the closed interval [a,b] and differentiable on the open interval (a,b), and if f(a)=f(b) then there is at least one number c in (a,b) such that f'(c)=0. I want to know if there are any practical...

Homework Statement A certain virus spreads through an entire population of 1000. It is assumed that the virus spreads at a rate proportional to the product of the infected and the uninfected. k=.00005 and initial infected is 250. Write and solve the diff eq for this problem. Homework...

Homework Statement A hollow sphere of radius r_1 is placed at the centre of a larger hollow sphere of radius r_2. Both spheres have a uniformly distributed total charge of +q Find the preassure p(r_2 , q) which acts on the outer sphere. Homework Equations \oint\textbf{E.n}dS = 4\pi k Q p =...

I have been on the fence between computer science, chemistry, and physics as my planned area of study for quite some time now. I am fairly certain I am ready to narrow it down to physics, but now I'm wondering how I'm doing in terms of the likelihood I can get into top-notch school such as...

Homework Statement A spring and dashpot system is to be designed for a 32lb weight so that the overall system is critically damped. (a) How must the damping constant γ and spring constant k be related? (b) Assume the system is to be designed so that the mass, when given an initial velocity of...

Noncommutative Geometry has many simple applications. For instance, it can be used to do differential geometry on a lattice, on a finite set, over Brownian motions, or in quantum phase space. I'm much more interested in learning the applications of noncommutative geometry than its particulars...

Are there any real life applications of integration for engineers.

Homework Statement A water container is in the shape of a box with a 1-foot square base and height 2-feet. Alas, the container has a hole half way up its side. Fortunately the hole is corked to prevent leaking. The container is filled with water and lifted 100-feet at a rate of 1/2 foot per...

Homework Statement What's the formula that better describes the temperature as a function of time for an enclosed body of water with certain initial temperature T_a immersed in another body of water of initial temperature T_b? More clearly, I performed an experiment in which I put a...

E. Minguzzi, "Clocks' synchronization without round-trip conditions," http://arxiv.org/abs/1009.3005 abstract: "Poincare-Einstein's synchronization convention is transitive, and thus leads to a e consistent synchronization, only if some form of round-trip property is satisfied. An improved...

Hi there, I am a third (maybe second year for US standard?) year mathematical physics student and I have just realize that I do need obtain some programming knowledge. My university has a compulsory courses that teaches java programming, but, looking around I've come to the conclusion that...

i just want to know few practical applications of group theory...please help!

I'm debating on whether to take the October or November Physics GRE. If I take the November test, I have more time to study, but I was wondering if it would affect my chances of getting admitted to a physics grad program if all the schools got my scores a month later than they otherwise would if...

To introduce, I'm a third-year physics student at the University of Texas (Austin). As with most undergraduate physics students I've started to stress about applying to graduate school as I see friends of mine start to prepare for it. I'm actually not applying this year, but next year - I could...

Hi. I'm 21 year old and I'm currently changing colleges. (I quit Managerial Physics after 1.5 years) The field of mechatronics seems very attractive to me in regard to its curriculum and the wide range of applications they say it has. I was wondering: Does anybody here have any real-life...

Are there any applications of optical devices in environmental science? What technologies, companies and research groups are involved?

Is C programming language necessary for Mechanical Engineers? Why? And where we use it?

Hi, I am not a physicist. I am trying to understand something about the behaviour of materials for computer graphics applications. I am trying to get an intuitive understanding of refraction. As far as I understand it - and please correct me if I am wrong - lightwave's phase velocity is...

On the page about http://mathworld.wolfram.com/EllipticIntegral.html" it says: Where could I find a collection of such problems? or do you have any nice examples of this?

Hi there, I have two simple physics questions. One day I was on the bus, and began to wonder why I kept getting thrown to the back every time the bus accelerated. Which one of Newton's laws can be applied to this?-if any. Another question is: When a rocket takes off, it applies a force in...

Hey guys, I have to do a presentation for my class on the laplace transform and need to know some applications. But so far, all I can find is electrical circuit applications, not much else. So if you guys know of any others tell me about them! thanks in advance!

hello all, I'm currently doing a undergrad program in SPECIALIST PROGRAM IN PHYSICS AND ITS APPLICATIONS (Physics And Astronomy Concentration), i want to know what are my career options, because after finishing undergrad in my program i do not want to be jobless, i would like to do something...

Homework Statement I attached the problem as an image, its easier to see this way. Homework Equations The Attempt at a Solution I understand how to find diagonal matricies using eigenvalues but I'm lost on the Y part. How do I find the vector Y?

I wonder how and where does resonance is applied in our real life. Any example?

I can't seem to draw this diagram. A sign weighing 98N is suspended from the middle of a 4m long chain. The ends of the chain are attached to a ceiling at points 3m apart. Okay so i drew a diagram with a horizontal that is 3m and the chain hanging from each side is 2m long and the object is...

I have two Windows Visual C++ programs that need fast inter-process communication. One is limited to 64-bit because it depends on 8 gigs of ram, and the other is limited to 32-bit because it depends on a proprietary 32-bit .dll I need to send basically two integers from the 64-bit...

Can anyone tell me the Engineering applications of Functional analysis with a real world example, If possible? Thanks in advance.

What are practical applications of the gamma function?

Homework Statement The base of an isosceles triangle is 20 cm and the altitude is increasing at the rate of 1 cm/min. At what rate is the base angle increasing when the area is 100 cm^2?Homework Equations The Attempt at a Solution Im very unsure about my solution method. I have attached a...

Hello! I'm currently taking a course in group- and ring theory, and we are now dealing with a chapter on finitely generated modules over PIDs. I have stumbled across some problems that I can't really get my head around. It is one in particular that I would very much like to understand, and I...

Hi all, I'm just wondering if this is correct: \frac{dP}{dt} =0.2P If the population is now 5300: (a) Write a formula for the population in t years time. To do this would i antidifferntiate 0.2P, so.. (0.2P^2)/2 = 0.1P^2 + t? Thank you!

Homework Statement We say that a differentiable function f : \mathbb{R}^n \rightarrow \mathbb{R} is homogenous of degree p if, for every \mathbf{x} \in \mathbb{R}^n and every a>0, f(a\mathbf{x}) = a^pf(\mathbf{x}). Show that, if f is homogenous, then \mathbf{x} \cdot \nabla f(\mathbf{x}) = p...

Have you ever used the Ideal Gas Law, Charles' Law, Boyls' Law, or the Combined Gas Law for anything in electrical engineering?

Hi all new to the forum here. I'm a cnc machinist here in Austin Texas looking for some mechanical advice regarding the use of stainless steel in high strength automotive applications. Basically, I'm planning on starting up my own little business replicating obsolete and out of production...

Homework Statement A solid acid is dissolved in enough water to make 200 mL of a solution. 40.0 mL of the solution is titrated to a phenolphtalein end point with an NaOH solution. The neutralized solution and the remainder of the acid solution are then mixed and the pH of the resulting...

I'm wondering how I can expect the "course" I'm taking this summer to look on a graduate school application for physics? I put "course" in quotations because I'm the only one in the course, and it is kind of made up for me as sort of an independent study with a professor. The professor will...

What are the Modern day applications of Hooke's Law?

Homework Statement The height of an object moving vertically is given by s = -16t2 + 96t + 112, when s in ft and t in sec. a. Find the object's velocity when t=0 b. Find its maximum height and when it occurs. c. Find its velocity when s=0 The Attempt at a Solution a. Now I know to find the...

what do they generally look for? i need to write about how one of my hobbies and what i learned from it. english is not my first language so any tips and strategy could be useful.

I have an MS in physics and did not get into any of the phd programs I applied to. What schools are still accepting applications, and which ones might still have funding for students? I am interested in many areas of physics and my experience is in computation and some nuclear. I have average...

Hi there! I am just wondering about the applications of reactance diagram in the real world. What are the uses of this diagram? Thanks!

Hello, I came across the following formula after asking for practical applications of math in finance and other sciences, it concerns mortgage payments A = Pi/1-(1+i)^-n The above denominator end part reads (1+i)^(-n) As a mathematical question, is it possible to rearrange the...

Guys, our thesis defense is near already. It will be this thursday. I just want to know some more real life applications of Circular Motion involving liquids. The experiment we performed was we placed water inside a bucket then we spin it around. (Vertically) Some water spilled but most of the...

Homework Statement The following describes a method used to measure the specific heat ratio "gamma" of a gas. The gas, assumed ideal, is confined within a vertical cylindrical container and supports a freely moving piston of mass m. The piston and cylinder both same the same cross-sectional...

For my tensor analysis class we have to do some project/research on tensor applications. I've done a search and I haven't found anything I'm looking for. I want to steer clear of the usual applications (physics/engineering) and try to do something a bit different. My professor suggests...

Howdy big timers. I need some stouthearted mechanical engineers to help me out with my reasoning here. Since I graduated some five years ago I’ve have found that there is a gap between what you know as a college graduate, and what that knowledge does and means in the real world. In the field...

Sorry for bringing up a somewhat vacuous question. I've applied for PhD study in particle theory at 9 US graduate schools. 6 of them are among the most prestigious schools, and the remaining 3 schools are Chicago, Rutgers, and Stony Brook. Half of these schools have given out their first wave of...

Homework Statement b) White light travels from crown glass into ethanol. If the angle of incidence in crown glass is 60.00 degrees (not sure how to insert degree sign), what is the angular spread between the red and violet parts of the visible spectrum in the ethanol? Illustrate your...