Multiple Definition and 1000 Threads

It is well known that in order to solve diode circuits we must assume state of diodes, replace diodes with appropriate model (0.7V voltage drop) and solve circuit. Then we check result and if it agrees with initial assumption, we successfully solved our circuit. If we mark number of diodes in...

Homework Statement I'm trying to create a c program that will allow for multiple inputs for a simple linear equation, and will print those values. the program I've created only returns one valueHomework Equations y = mx + b The Attempt at a Solution #include <stdio.h> #include <math.h>...

Homework Statement A cord with a mass of 40g is tied between two supports with a tension of 19.2N. The natural frequency of the cord is 10Hz. Find the length of the cord a.1.2m b.2m c.289m d.34cm Using your answer from Question 3, how long does the wave take to travel from one end of the...

Capacitance -- combining multiple capacitors for equivalent C In the given problem, Ceq = C1C2C3C4/(C1 + C2 + C3 + C4) The answer says the equivalent capacitance is always less than C1 but I can't come up with thy. When I do this, I can't seem to prove that equivalent capacitance is always...

If I have a hot wire, the distribution of its temperature with respect to radius (from the center of the wire) and time follows the heat/diffusion equation. However, now consider two wires, or even an array of many such wires. Say we can ignore the z coordinate and treat them as a point...

How do i go about solving the following equation? (Attached) I am attempting to implement it into java. BUt i have not gotten any further than this: wavenumber = new Vector2f(0.0f, 0.0f); wavenumber.x = (float) (2 * Math.PI / wavelength); Wikipedia Info for Equation...

I need an algorithm for LCM(k1, k2, ..., kn). Here's what I was thinking: any number ki that divides evenly into another number kj, set ki = 1 return k1*k2*...*kn I'm having trouble implementing it, though. int LCM(int* numsPtr, int size) { // assume size > 1 and that array only...

Hello I was wondering if some one can give me advice on how to approach these types of problems. I do horrible on these types of questions but do well on all other, any strategy helps. Homework Statement This is an example problem: Oxygen molecules are 16 times more massive than...

Homework Statement Which of the following is NOT true about an object having constant velocity? Select one: a. It has constant speed b. It is moving in a steady/fixed direction c. It has constant acceleration d. It might be at rest e. It might have a fixed position Homework...

In my project I basically need to plot 3D color coded surface graphs using MATLAB taking input from multiple .dat files (i have 1000 .dat files). In each file I have parameters x and y, and when I take multiple files, each having a different value of z, I can finally plot a graph. so does anyone...

In the main activity, I call one of the constructors: public Something() { //nothing initalized } public Something(7 variables) { ... (this.variable = variable) } public Something(10 variables) { ... (this.variable = variable) } I call the 7 variable one but the...

L = Ʃ rn x mnVn The general equation for calculating the angular momentum is given above, from what I understand would you use the rn x mnVn part of the equation for each particle, and then sum these values all together? This isn't a homework or coursework question, I study Physics as a...

I've posted to Stackoverflow and no one answers, and I've signed up for Khronos but it won't let me open a new thread for a question, so I was hoping maybe someone here knows something about opengl es 2.0. I've searched the internet for about a week now and ran into a lot of promising leads but...

Given a plane with three points, (0,−1), (2,0), and (0,1) with x-axis and y-axis connecting three points to make a triangle. Suppose this triangle represents the support for a joint continuous probability density Pick one of the following: The marginal density f(y), defined as ∫f(x,y)dx...

A 2.0 kg block (m1) and a 6.0 kg block (m2) are connected by a massless string. Applied forces, F1 = 12.0 N and F2 = 5.0 N, act on the blocks, as shown in the figure below m1 is on the left side of the system, F1 is pulling on m1 to the left; m2 is to the right, F2 is is pulling m2 to the right...

pi ∫sin^2(nx)/sin^2(x) dx 0 I tried using mathematical induction and did arrive at the correct result but was wondering if a better method could be used to solve it?

Hello guys, I want to ask if someone over here, might have a clue/link to MCQ questions regarding the following: Calculus, and topology. Algebra (not the basic stuff) Electromagnetism. I trying searching but found very few results, maybe someone have knowledge of such websites or...

Homework Statement I need to prove or show that this n-rowed determinant which corresponds to cosine multiple angle formula is in fact true using induction. The Attempt at a Solution First let ##a = \cos \theta## and suppose I have this n by n determinant. $$ \begin{vmatrix} &a &1 &0& \\...

In this problem I have drawn out the region specified and noticed two sets of parallel lines indicating to me that a change of variable(u and v) are able to be used to solve this integral. I decided that u=y-x and v = -2x-y then solving for x and y I obtain x= (u-v)/3 and y = (4u-v)/3 From...

Suppose I define closed sets and open sets in a single definition environment. Now I want to put two labels in the environment. \label{Open Set} and \label{Closed Set}. I have tried this and this doesn't cause any trouble and doesn't give any warning. But are there any hidden pitfalls in doing...

Consider a capacitor with 4 parallel plates and 3 dielectric insulators arranged like this...+I-I+I- The insulator in the center has an equal amount of + and - charge on each side of it so shouldn't the electric field across this insulator be almost zero? If I constructed this capacitor with...

i need to know how to calculate the inductance and field strength of a coil while another coil directly beneath it is turning off and coils under that are also turning off i also need to know how quickly the coils will turn off and if i can accelerate the process if it makes a difference the...

Homework Statement As shown in the figure below, a particle is moving in a circle of radius R with constant speed v. At some location, the particle is detached from the circle and falls with a parabola path to point A. What is the horizontal range x of the projectile?Homework Equations Writing...

Homework Statement This is an Optimization Problem, find the maximum value. P(R)=(E^2*R)/(R+r)^2 Homework Equations P'(R)=? The Attempt at a Solution I have the solution to this problem, and I can solve it, I just don't understand some parts. I tend to think that the...

Hey guys. I have been theoretically playing around with a single phase full bridge inverter. What I wanted to do was determine the waveforms for the current going through each of the components (ie. the four diodes and the four thyristors). I assumed all of them were ideal. Since I have no idea...

Homework Statement A uniform disk with mass m = 9.27 kg and radius R = 1.42 m lies in the x-y plane and centered at the origin. Three forces act in the +y-direction on the disk: 1) a force 344 N at the edge of the disk on the +x-axis, 2) a force 344 N at the edge of the disk on the –y-axis...

Homework Statement I need to normalize the following wave function in order to determine the value of the coefficients. This is from the basic finite square well potential. \Psi(x) = Ae^{k_{1}x},for \ x < -a/2 \Psi(x) = Csin(k_{2}x),for \ -a/2 \leq x \leq a/2 \Psi(x) = De^{-k_{1}x}, for \ x...

Homework Statement What is the direction of the moment? A) along +x B) along −x C) along +y D) along −y E) into the page F) Out of the page Homework Equations T=rf The Attempt at a Solution I said out of the page because when I use the right hand rule, my...

Homework Statement "A gas discharge tube contains H 1 , H2, He 3 , He4, Li6, and Li7 ions and atoms (the superscript is the atomic mass), with the last four ionized so as to have only one electron. (a) As the potential across the tube is raised from zero, which spectral line should appear...

Suppose the concentration of a drug in the blood stream exponentially decays and is given by c(t) = a0e^-kt (0 is a subscript) where t is the time elapsed and a0 is the initial concentration after one dose. Further assume that doses of the drug are administered at time intervals of T. (a) After...

Greetings, I have taken a probability course a year ago; however my mind is a bit rusty and I cannot recall the concepts. I want to be able to calculate the probability distribution function for the following question: Suppose you have a tedrahedron with number 1,2,3,4 on respective faces...

Hello, is there a way to eliminate the possibility of a reaction having one single step? For example, the reaction NO_2(g) + CO(g) \to NO(g) + CO_2 (g) appears to me to be single stepped, but my textbook gives the reaction in multiple steps and does not elaborate on how the individual steps...

1. Two blocks of equal mass are each pushed (from rest) along a frictionless surface a distance d. The force applied to block B is four times that applied to block A. What is the velocity of block B, relative to that of block A, vA? a) 4 vA b) 2 vA c) vA d) vA/2 e) vA/4 2. What is the...

Homework Statement A chainwheel of a bicycle has a radius of .09 m, the radius of the smallest cogwheel (the “highest” gear) is .01 m, and the radius of the rear wheel is .35 m. At what rate (in revolutions per minute) must you be pedaling in order for the bicycle to have a forward speed of...

Hi y'all I am trying to compare two files, so make one line from one file be compared to alll the lines in the other file until it finds a match where the difference is less than 0.003. This what I had thought of, but I still think it is just comparing line by line, instead of one line to...

Homework Statement In a standing wave on a string (a)In one time period all the particles are simultaneously at rest. (b)All the particles must be at their positive extremes simultaneously once in time period. (c)All the particles may be at their positive extremes simultaneously once in time...

From numbers 1 to 10 find the probability the number chosen is even number or a multiply of 3 Here in this question what mean by (multiply of 3)

Hi friends, I have an issue in solving a Collision of multiple particles. Please Help me in solving this. Thank you all in advance. The problem is as: https://fbcdn-sphotos-e-a.akamaihd.net/hphotos-ak-frc3/q71/s720x720/1395304_1432383000322139_406785433_n.jpg Attempt...

Let's say a method or constructor has multiple parameters example in DecimalFormat -- public final StringBuffer format(double number, StringBuffer toAppendTo, FieldPosition pos) if you don't declare all of the parameters, what happens to those that are not...

A multiple zeta value is defined as \zeta(s_1,...,s_k) = \sum_{n_1 > n_2 ... > n_k > 0} \frac{1}{n_1^{s_1} n_2^{s_2}...n_k^{s_k}} . For example, \zeta(4) = \sum_{n = 1}^{\infty} \frac{1}{n^4} and \zeta(2,2) = \sum_{m =1}^{\infty} \sum_{n = 1}^{m-1} \frac{1}{ m^2 n^2} . Prove the...

Homework Statement I'm looking through some example problems that my professor posted and this bit doesn't make sense How do you come up with the values underlined? Homework Equations The Attempt at a Solution Upon researching it, I find that you should use α/2 for both...

1. Homework Statement Solve for T (The force required to keep the pulleys at equilibrium) See attached image for pulley setup. 2. Homework Equations W2>W1 N=mg 3. The Attempt at a Solution Currently I have drawn out all the forces that act on each pulley, and I know there...

Object with *multiple* velocities nearing the speed of light--effect? Hello! I've had this question for sometime and I'd love if someone could shed some light on it for me. Here's the situation: Lets say that you were able to make an object reach velocities (and maintain) nearing the...

Homework Statement Homework Equations E = kq1q2/r2 The Attempt at a Solution Please correct me if I am wrong but I think it is A. Since doubling the charge, doubles the potential as well, while doubling the radius between the charges would just exponentially decrease the...

Lets say a sensor measures within accuracy of +/- 0.05N And you take multiple measurements and graph it out. (I.e., 5.12N, 5.15N, 5.05N...). What is the uncertainty of the final average? One way I read is: Sx = s/√N where s = std. dev. N = number of data points But...

I have, from the textbook: dy/dt = ry So I solve and get y = e^(rt)+C However, the book says that y=y_0 * e^(rt), where y_0 is the answer to the initial condition, y(0). I don't get it. The + C should be what we use to solve for the initial condition; how does y_0 end up in...

Someone said multiple infinities are absurd. I can't post the link btw because it's a non-mainstream theory. So there are actually, no multiple infinities? Regarding Cantor's absolute infinity, is this the highest infinity that any man could stated? If there are other infinities higher than...

Greetings everyone I am deciding on a project to work on for my bachelor's degree in engineering right now. I have an idea that involves using multiple metal detectors placed about 1-2 cm apart from each other. The idea is to develop a device that is able to detect the shape of an metal item...

Homework Statement The following pseudocode demonstrates an algorithm to create a 2D array from a 1D array by adding elements into certain rows: For i = 1, 2, ..., n For j = i + 1, i + 2, ..., n Add up array entries A[i] through A[j] Store the result in B[i, j] Endfor...

How do you solve questions of the type: Find the period of the voltage a) 3cos(2500t) + 4(7500t + pi/2) b) a generic waveform: a*cos(x*t)+b*cos(y*t + theta) I saw questions similar to the above while going through a book. I attempted such questions when I was in college, but don't...