Applied Definition and 1000 Threads

This is not a homework problem, but a math question of curiosity. At 57 I am way past courses and homework. If a potential, V, is expressed as a volume integral, how does one apply Poisson's equation to that integral? If V = k∫V'\frac{ρ}{R}dv' (V on the LHS is voltage and the integral on...

Homework Statement A potential difference of 160V is applied across two col-linear conducting cylinders. the radius of the outer cylinder is 15 cm, the radius of the inner cylinder is 10 cm, the height of the two cylinders is 38 cm. a. How much charge is applied to each of the cylinders? b...

Homework Statement 1. Under what conditions would an applied force increase the kinetic energy of an object? 2. Under what conditions would an applied force decrease the kinetic energy of an object? 3. What would the Force vs Distance graph look like for a cart on a track connected to...

Homework Statement A box of mass = 20 kg rests on top of a cart mass = 30 kg. A force of 200 N is applied to the cart, and the box starts to slide. If the coefficient of kinetic friction is 0.25, what is the time it takes for the box to slide 1.5 m. Both the cart and the box start from...

Homework Statement In the figure the man hanging upside down is holding a partner who weighs 570 N. Assume that the partner moves on a circle that has a radius of 6.50 m. At a swinging speed of 4.25 m/s, what force must the man apply to his partner in the straight-down position? Homework...

Homework Statement An electron is traveling at 5.0 × 106 m s−1 directly into the page at the point P shown in Figure 3. P is 4.0 cm from O. Again, D = 10 cm and the current i in each wire has magnitude of 1.0 A with the directions that you found in part (c). Find the magnitude and direction of...

Are there any chess players, statisticians, or smart people who are familiar with the ELO ranking system? This concerns a game with at least over 100,000 players, so its not an obscure concern. Basically, I play an online video game that tries to apply an ELO ranking system to rank...

I'm still debating my paths of 1) a B. S. in Applied Mathematics with a minor in something computer related (heavily programming-focused, but I don't think I can take something like software engineering as a minor and I don't think I can handle a double major of mathematics and engineering...

Hi I am trying to work out the load applied to some anchors used to hold a car stationary in a man made river channel. I know it will be something to do with the surface area and the speed/volume of water. Can anyone help, admittedly I am a practical person not a acaedamic so layman terms...

I'm an undergrad student in engineering with no work experience and limited knowledge about what's to come after I finish my studies. I still have a lot of time to decide, over 1 year more or less. Up until now I've been interested and fascinated by applied physics. More specifically...

I'm struggling to apply F=ma to the motion of a slider crank, more specifically the piston. I want to find out how much force is nessesary to keep the piston in motion. Essentially, in the mechanism there is acceleration and deceleration, does that mean only at some points in the cycle there is...

I need some help coming up with a formula.. This involves a Vehicles Engine I know how fast the rate of change is (example being 3000 rpm over 3 seconds-an increase from 3000rpm to 6000 rpm in that 3 second period) I know how much weight this RPM has moved (3700 lbs) and I know the Gear...

I just was wondering, I am getting my bachelors in Applied Mathematics. Currently in differential equations, we use MATLAB quite a bit in this class. I know I will likely be taking 2-3 more classes where we use MATLAB should I buy a student copy? Would it have the features needed for undergrad...

Homework Statement An underdamped harmonic oscillator with mass m, spring constant k, and damping resistance c is subject to an applied force F0cosωt. (a) [analytical] If, at t = 0, x = x0 and v = v0, what is x(t)? Homework Equations Ωinitial = √(k/m) The Attempt at a...

Homework Statement A person pushes a box across a horizontal floor with an initial velocity of 5.2m/s. The box has a mass of 22kg, and the coefficient of Kinetic friction between the box and the floor is 0.44. How far does the box slide before coming to rest? Homework Equations μk =...

I originally wanted to major in chemical engineering, but I really like math more and I'm afraid I won't like my job as a chemical engineer even though I'm very good at the subjects so far. Is an applied mathematics major still as viable as an engineering field (which I hear is almost a...

Homework Statement Which of the following statements are true about Fs, max in the equation mu=Fs, max/Fnormal? I. Fs, max is exerted perpendicular to the surfaces in contact. II. Fs, max represents the maximum value of the force of static friction. III. On a level surface, the magnitude of...

Hey, Im trying to figure out which engineering I should do. I am doing a dual degree in physics and engineering. I am pretty much done with physics. I was going to do electrical engineering, but i don't think its right for me. I am thinking of doing civil engineering, but then i saw a degree in...

Hello Forum, let say we are on a bicycle at rest and in the lowest gear. We start pedaling and the bike moves. The applied torque on the rear wheel is equal the ground frictional torque and the bike moves forward by action reaction... Once we reach a certain speed on the bike, is the...

Homework Statement Okay, so I have a homework-like question that I need help with. It seems so simple, but I'm stumped and can't find anything online. A similar real world example if my description below isn't clear would be a clutch mechanism where one disk is pressed up against another and...

Homework Statement I've encountered problems like this: A bullet with velocity v strikes a stick (intially at rest) at a distance d from the center of mass, then the bullet sticks to it, and the bullet-stick system rotates about the center of mass. But they ask me to find weird things like the...

Homework Statement A 0.50 kg skateboard is at rest on a rough, level floor on which two lines have been drawn 1.0 m apart. A constant horizontal force is applied to the skateboard at the beginning of the interval, and is removed at the end. The skateboard takes 8.5 s to travel the 1.0 m...

Hi all, An electrolytic capacitor has 2 AC sources connected to it, 1 at each plate. The AC sources are 180 degrees out of phase and have a high impedance which limits current in the nA range. Even though each plate should have AC on it which is 180 out of phase the voltage at each plate...

hi there i just have a question about diodes say for example we have the following cct: the circuit with the diodes with the 5V supply, one of the diodes is on and the other off and i understand why this happens but when dealing with the circuit the opamp and the diode i am confused. the...

Hi, How is \frac{1}{\displaystyle{\not}{P}-m+i\epsilon}-\frac{1}{\displaystyle{\not}{P}-m-i\epsilon} = \frac{2\pi}{i}(\displaystyle{\not}{P}+m)\delta(P^2-m^2) ? This is equation (4-91) of Itzykson and Zuber (page 189). I know that \frac{1}{x\mp i\epsilon} =...

Hello everyone, I'm finding Applied Seismology (a comprehensive guide to seismic theory and application) ebook of Mamdouh R. Gadallah... Please help me... I'm really appreciate about that... Thank you and wish all have nice time!

The manager of a department store wants to build a 600 square foot rectangular enclosure on the store's parking lot in order to display some equipment. Three sides of the enclosure will be built of redwood fencing at a cost of $7 per running foot. The fourth side will be built of cement blocks...

I am a high school senior, and currently trying to figure out what to do next as far as my education goes. I'm very interested in Physics, as I love learning how the things I often take for granted work. A school I applied for has not only Physics, but also Applied Physics. Are the job...

A 0.50kg skateboard is at rest on a rough, level floor on which two lines have been drawn 1.0m apart. A constant horizontal force is applied to the shateboard at the beginning of the interval, and is removed at the end. The skateboard takes 8.5s to travel the 1.0m distance, and it then coasts...

Homework Statement Find the volume of the largest right circular cone that can be inscribed in a sphere of radius 3. Homework Equations V=π*r^2*h/3 A=πr^2 + πrl The Attempt at a Solution I did multiple things that I'm not sure are correct. I took the derivative for the volume with the value of...

Homework Statement I am doing review questions about friction and am I little confused about the one I am currently doing. I have an idea of what the answer is but i want to be positive. The question asks to compare friction to applied force of an object on a horzontal surface. Compare...

"Applied Functional Analysis" by Zeidler In my book, "Applied Functional Analysis" by Zeidler, there's a question in the first chapter which, unless I got my concept of density wrong, I can't seem to see true : Let X=C[a,b] be the space of continuous functions on [a,b] with maximum norm. Then...

I'm a math major, and am planning on taking Applied Combinatorics next semester for an upper level requirement. I've looked it up, but still don't have a clear idea about what the course is about exactly. Also, is it considered a hard course?

Out of curiosity, what jobs could someone with a BS in applied mathematics apply for with a reasonable chance of getting? Additional skillsets would be programming... Thank you!

I'm a physics major, but I want to do a dual major in either Math or Applied math. Basically the requirements are almost the same, except applied math requires one less and two more courses than the math major. I'd be taking the same electives either way (ODE, PDE, Linear Algebra, complex...

Hello, I've been working my way through Mathematics for Physicists by Dennery and Krzywicki and, on page 65, they assert that Gauss' law applied to a 2D cross-section along an infinite charged cylinder is: ∫E.n dl = 4πσ where E is the electric field on the Gauss surface (a circle around...

Hello, I'm looking for some people who received their bachelor's in Applied Mathematics to answer a few questions. Any responses are greatly appreciated. Thanks!

Can someone please tell me what applied uses surds have in Science? Apart from Pythagoras? Cheers, Mick

THIS IS THE QUESTION: Your teacher says, “Any applied force can also be called a normal force.” Discuss the validity of this statement. Thanks guys.

I'm a mechanical engineering and math double major in my last year of undergrad and planning on going to grad school next year. My question: Given that I want to work in industry/the private sector after grad school, how do masters degrees in applied mathematics stack up to masters degrees in...

Homework Statement Hello, its been a long time since I've worked with statics or dynamics in college and now find myself in the workfield trying to figure out a current problem! What I am looking for is how much force is needed to tip a box. The box i have has dimensions of: Length=400in...

So, in a physics lab I TA, we are doing a lab in which part of it, the students try to do Faraday's Ice Pail experiment. For part of it, they need to charge a piece of metal at the end of a insulating rod. To do this, the guy who designed the lab did the following. He has a voltage supply...

Paraphrased something like (this is an early proof based class) "I hear engineering majors and physics majors say that they like math as long as it can applied to something. So these folks won't take any upper level pure mathematics courses. It's useless. Is it? Did you know that (something...

Homework Statement A 3.10 box is moving to the right with speed 8.50 on a horizontal, frictionless surface. At t=0, a horizontal force is applied to the box. The force is directed to the left and has magnitude F(t)= (6.00 N/s^2)t^2 What distance does the box move from its position at...

Homework Statement A 4.32 kg block is placed on top of a 9.16 kg block. A horizontal force of F = 66.6 N is applied to the 9.16 kg block, and the 4.32 kg block is tied to the wall. The coefficient of kinetic friction between all moving surfaces is 0.169. There is friction both between the...

I'm starting my second year at school, and knowing that I will have to declare my major soon I'm torn between the possible choices. Officially, I am in the engineering program but I took a lot of extra credits in math last year since it interests me so doing the double major program in...

I'm starting my second year at school, and knowing that I will have to declare my major soon I'm torn between the possible choices. Officially, I am in the engineering program but I took a lot of extra credits in math last year since it interests me so doing the double major program in...

Hi guys, I am trying to figure out what Applied Math PhD programs I should I apply to this fall. My main interests are in computational science, specifically numerical methods and stochastic methods. My profile is as follow: Undergrad: big state school, solid reputation in math Major...

(Q) What torque is applied to a steering wheel of an automobile when the driver applies a force of 50 Newtons tangent to the circumference of the wheel? Diameter of the steering wheel is 40 cm. F = 50 N D (torque arm) = 0.40m T= Fd = 20 N... but its wrong... any ideas...

Homework Statement im having problems with this question...a body weighing 51kg is pulled on a horrizontal plane with coefficient of friction 0.3. a force of 300N is applied at angle x ... find the angle x? Homework Equations The Attempt at a Solution the only solution i hav come...