Applied Definition and 1000 Threads

Homework Statement if the coefficient of friction between a 30 kg metal block and the floor is 0.16, what force is required to roll this block across the floor at a uniform speed? how much work is done? find : weight of force, normal force, force applied and fricitional forceHomework Equations...

Hello. I am a senior in high school who is looking for some guidance deciding on what would best suit my interests. I would like to work with a national lab or something along those lines in the future. I think that construction of particle accelerators, laser experimentation and electronics...

Torque is defined as: τ = rxF this means that the farther from the rotation axis of a body a force is applied, the more it will tend to rotate the body. My question is: Can anybody give me a simple argument that a force applied farther from the rotation axis should be better at...

I am currently seeking for any open internships. So, I decided to Google search what I could find in my area, and I found an engineering internship. Would this apply to me (I'll tell you more...)? Here is the description of the engineering internship (it's very vague): I have not took a...

I'm a biological engineering major who is starting to lean more towards mathematics. More specifically, I'm interested in mathematical modeling and applying these models to biological systems, geosystems, ecology, etc (mainly scientific problems). I will be minoring in math in order to...

What sort of job prospects would I have with a BSc in Physics Engineering or Applied Physics? Are the odds good, or is this field an exceptionally competitive one? Can anyone here tell me what I should expect while studying for this degree and what I should prepare? Any help at all would...

Bioengineering ----> applied math? I'm a biological engineering major, minoring in math. I certainly will be looking at going to graduate school but I'm not yet sure for which field. My goal right now is to keep my options open for both for as long as possible. Lately I have been thinking about...

Applied mathematics vs. "pure" mathematics in high school? I've just started working through "Basic Mathematics" by Serge Lang. It immediately struck me, when I skimmed through the pages, that there is a large emphasize on proving things and manipulating expressions, and very little exercises...

Hello, I've been pursuing a second bachelor's degree part-time for a while now at a Group III school. I just found out, somewhat unexpectedly, that I might be able to transfer to Georgia Tech (a Group I school) with relative ease to complete my degree as a full-time student. GT is...

Hi all, I am an engineer and I would like to take an online master in applied mathematics or physics - I am interested in several subjects in both field, so right now I am open to either choice. To prevent common comments I saw in other post, let me point out I hold a PhD in Aerospace...

1. The problem statement 1kHz is applied to 1000 μF Capacitor, What is its Capacitance? & 1kHz is applied to 10 H inductor, What is its reactance? The Attempt at a Solution using x= -1/ωC = -1/2∏∫C I came up with 159 fF then for question 2 I got using Xl=2∏FL (better seen here...

Hello learned Engineers, Physicists, and people more useful than myself: Thank you in advance for reading. I would like to submit a more educated proposal to a utility company for a method that would allow it to install 500 kilovolt renewable power transmission lines through many residential...

Hi, I'm a little confused about the pressure in the inlet/outlet and the throat of a Venturi tube. Why is the pressure in the inlet/outlet greater than in the throat? I thought that because air is needed to flow into a smaller space so the pressure has to be greater? Pardon me. I've...

Homework Statement velocity changes when force applied perpendicular i can't understand a simple question. can u help me what i know is that speed in short its magnitude does not change when force is applied perpendicular.its direction only changes so does the velocity. what i don't...

Hello all, I've gotten myself in quite a mess and how I might hope to resolve it is...questionable. I'm wondering about your input. Last Fall, I applied to PhD programs in (Applied) Math under the impression that I wanted to strive to become a professor in mathematics. Since accepting one...

Homework Statement A block of mass 50 kg is free to slide on a frictionless inclined plane that makes an angle of 20° with respect to horizontal. A force F is applied as shown in the drawing pulling parallel to the incline. As a result, the block accelerates up the plane at 4 m/s2. known...

This is about the basic thermodynamic cycle of the gas turbine (i.e. Brayton or Joule cycle), consisting of adiabatic compression, heat addition at constant pressure, adiabatic expansion, and heat rejection at constant pressure, and the standard ways of analysing this through Pressure-Volume...

Sometime I read that the helium atoms can be considered as boson, but I don't understand why. I know that its nucleous has a spin of 2 (integer) and that its 2 electrons gives the atom a total spin of 3, an integer. But then why isn't hydrogen considered also as a boson? I think it's considered...

Homework Statement From http://library.thinkquest.org/10796/index.html (#6) g=9.80m/s^2 Homework Equations F=ma F_f=\mu F_N F_N=mg (The site actually states the normal force to be equal to negative mass times gravitational acceleration, but with a negative value for gravitational...

Hi all, What are some cool programming projects that you have done that really helped you learn a different area of computer science / programming? I am SICK OF the tedium in databases and application development. I would like to expand my horizons to areas such as embedded systems, computer...

Hello, I'm a high school student with a preference for math. I want to go into applied mathematics. I have gone through AP Stats and Calc BC, as well as Multivariable Calc and Linear Algebra, also APC/IBHL Physics. I have original research done in biostatistics/bioinformatics and in...

I understand that if we apply a force on the axis of rotation of a spinning disc, the torque is in a different direction, and the axis is moved in a direction perpendicular to the direction in which the force upon the axis was applied, determined by the right-hand rule. But what if the force...

I have noticed that I love proving things in math. People have told me that proof-based work is more the specialty of the pure mathematician whereas math used for practical purposes is the specialty of the applied mathematician but I cannot imagine this to be so. What I've realized is that I...

I'm having a bit of a dilemna. I'm currently a senior in Mechanical Engineering and will finish in about 1.5 years. I always feel that ME alone might not be as useful and wish to expand my knowledge in Physics or Mathematics. I'm equally passionate of both, and have thought about minoring in one...

Compute the maximum longitudinal force that may be supported by a bone before breaking, given that the compressive stress at which bone breaks is 2.00e8 N/m^2. Treat the bone as a solid cylinder of radius 1.55 cm. The attempt at a solution I tried using the equation Max Torque = pi/4 * (r^3) *...

I have to do a calculus project by researching somewhere it's applied and writing about it and explaining it thoroughly. I was thinking multivariable calculus / vector calculus was used in satellite orbit math, but I could not find enough on this. Any ideas on where else it's applied that...

Hello, I'm an undergraduate who's going to be a senior this coming fall. I'm currently triple majoring in Mathematics/Engineering Physics/Biological Engineering. I'm also looking to enter graduate school in applied mathematics. My schedule for this last year all fits together quite well, except...

Hi Physicsforum, I'll be graduating next semester (one semester early) with a degree in Pure Math and Statistics (minor in Atmopheric Science). I have good research experience and an internship and can get some good letters of recommendation. However, I'm worried that I don't have enough...

"A 50 kg crate is being dragged across a floor by a force of 225 N at an angle of 40° from the horizontal. The crate is dragged a distance of 5.0 m and the frictional force is 60 N." Now from that information i am supposed to find the work done by the applied force on the object. This is...

In a place with no friction, I have a rocket that applies a constant force f to a weight of mass m, and between them is a spring with constant k. I assume that the mass of the spring is negligible. As the three objects accelerate, by how much does the spring contract? My intuition tells me...

I'm surprised that I didn't find this topic in any other threads on here so I'll bring it up. I'm finishing my MS in Applied Physics, paid for by my employer. Now I have some choices; I could apply to a PhD program (given my interests probably NE), I could apply to a MBA program, or I could...

I am currently in school for an undergrad degree in Mechanical Engineering with a concentration in aerospace (i.e. Aerodynamics instead of fluid dynamics, propulsion instead of applied thermo, and some aerospace electives). I have hopes after to work for an aviation company such as Boeing...

Good afternoon! I will begin taking upper division mathematics in the fall, and I definitely wish to obtain a Master's right after undergrad, and as for PhD, I'm a bit iffy if I want one (I'll save that for another post in a couple years ^.^) Anyway, I have 4 electives where I get to choose what...

Ginsparg "Applied Conformal Field Theory" I have some questions concerning the first two chapters of Ginsparg's text on CFT, which can be found here 1. In equation (2.1) primary fields of conformal weight (h,\overline{h}) are introduced as fields that transform the following way...

Homework Statement The system is a rectangular box with dimensions of 3 ft x 4 ft x 2 ft. There's an applied couple moment of 600 lb-ft on the x-z plane rotating positively. The moment is 2 ft above the x-y plane in the positive z direction. Applied force 1 is 450 lbs in the negative x...

1. I'm in my first year of physics, and the end-of-year project is a bit of a doozy: find two examples of misapplied physics in movies and explain how it's wrong. For my first example, I chose a scene from the movie "The Iron Giant," in which the Giant picks up a car with Hogarth, our child...

What are the differences between these three undergraduate degrees? I am contemplating on being an Applied Mathematician. I have a natural desire to solve statistics and probability questions. If I were to come across a real life problem I would try to involve these concepts in solving them...

Hello all. I'm looking for a good textbook about how the mathematics, particularly calculus is applied in physics. I've done some calculus as i am a physics undergraduate student but i want to better learn the math and see how it is applied in physics as i find that a lot more interesting...

I have to take any 3 CS electives for my Computational Mathematics major. I'm thinking about Algorithms, AI, and Database Systems. I can take more if I want to. Are there any particularly useful CS classes? I don't really have a career in mind right now.

a steel wire has an span of 800 meters,with weight of 1.44 kilograms per meter. how to determine then the actual tension force applied in both ends of the cable? assuming that both ends are in the same elevation. thanks..

What are my job options if I got a masters or PhD in applied mathematics? I have no interest in teaching.

I have completed Calc 1 - 3 Diff EQ and Linear Algebra and have a degree in Mechanical Eng. I have some free time this summer and am looking for suggestions on a book that deals with applied math at a level somewhat above the courses I have listed. I would like to be challenged and have to...

hi all just completed my 12th... since childhood i have always been interested in studying science and always dreamt of applying it for the inventing new technologies and like... can anyone help how to select courses for the same... i figured out two ways a) i go for engineering in ece...

Hi, So I am currently interested in attaining an advanced degree in Biophysics (preferably a PhD) but have half a year before I start applying to programs since I have already graduated. I dot want to waste the extra time I have and will be seeking an appropriate internship meanwhile. I will...

What are the hottest topics in applied mathematics nowadays?

Homework Statement a 20kg Toaster is on a level surface (Cooefficient of friction is 0.1). A rope applies an unknown force to the toaster at 30° from the horizontal upwards to the right. This force causes the toaster to accelerate at 0.277 m/s^2. What is the magnitude of the applied force...

I'm just starting out right now as a math and chemistry major. Should I choose applied or pure math as my concentration? I've been told that applied math will help me with chem, and I agree. However, I also feel comfortable with the theoretical side of things, and it's a large part of what draws...

Hello everyone, I'm new to PF. (My favorite fish is herring, so slap away. :smile:) My question might be a bit complicated, because I suspect the answer depends a lot on location. I live in the Netherlands, and that's where I'm going to uni in september. (Rijksuniversiteit Groningen, RuG) I'm...

My current project is as follows: Designing a system that will be mounted to a truck that will be traveling down the equivalent of a dirt road. Part of the system is an ingredient bin that is rigidly mounted to load cells. The loads cells are a cantileaverd beam type. The primary...

I am starting graduate school in applied math in the fall and am trying to decide if measure theory is necessary or important in terms of applied math and if so, what ares of applied math? I have taken two basic real analysis courses through multiple integrals, etc. and would like to focus on...