Diagram Definition and 1000 Threads

Homework Statement Refer to the diagram. Homework Equations Refer to the diagram. The Attempt at a Solution Stuck from the beginning.

I can't find any good information on the net about how to draw the schematic diagram for wiring the light, fan and socket system of a house. Please, I'm first year university electrical engineering student with little knowledge on drawing even schematic diagrams. I would really love to know...

Where I can find the coils winding diagram for a 3PH DC PMSM (Permanent Magnet Synchronous Motor) that has a stator with 72 slots for the windings? The same PMSM has a rotor with 8 PM's mounted on the rotor and a resolver's metal plate.

Homework Statement The context of this problem involves a dolly pulling a trailer, and I am trying to establish the basic free body diagram for the trailer. Is what is done so far acceptable and is this a step in the right direction? Homework EquationsThe Attempt at a Solution I am confident...

Homework Statement To plot a TS diagram given the relevant data here http://imgur.com/Q9RNL8P for an air conditioning unit. Homework Equations R134a is being used in an air conditioning unit, steam tables for -5hf 0hf and -5sf 0sf written below in exrapolation. The Attempt at a Solution I've...

Homework Statement Homework Equations N/A The Attempt at a Solution I am trying to understand the above ph diagram (for a vapour compression cycle), In some examples, point 1 is situated as above in the image (i.e. to the right of the saturated vapour line) and at other times it's situated...

Homework Statement 2. Homework Equations q = w+Δh The Attempt at a Solution I fail to understand how they obtained the 3 equations at the bottom. For the first one I understand that q = Δh since w = 0 but why is it h1-h4 rather than the other way around? Also, why does this h1-h4 equal...

Dr Google has failed me, lots of descriptions on how its used but no circuit diagrams and how it works. Seems like a fascinating technique. Anyone got a link to a circuit diagram with explanation. Are these things available as an off the shelf black box type of deal?

Homework Statement [/B] This circuit solves some differential equation, the question is asking for the equation based on the circuit diagram imgur link: http://i.imgur.com/b1npQSK.pngHomework EquationsThe Attempt at a Solution I refer to the input terminal for -f(t)...the signal from it...

Hi All, I am using a prefab database from MSSQL 2014 (I installed it and imported a file from Murach's site containing scripts, I queried the scripts , whose output was the database). I can see all the tables and the table contents, i.e., my 'Select * from table_name ' all run without a...

Homework Statement For the reaction below draw three Feynman diagrams, one that proceeds through exchange of a gluon, one through a photon and one exchanging a weak W-Boson. ##\pi^0+\pi^0\rightarrow \pi^++\pi^-## Which diagram provides the dominant contribution for this reaction? Explain how...

Homework Statement Two containers with saturated fluid at T0, while having different total volume V1 and V2 definition of total molar volume: total liquid + vapor volume divided by the total moles Problems: 1. Compare the density of the vapor in both containers 2. Compare the density of the...

Homework Statement Two boxes, A and B, are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 74.0 N applied to box A. Starting from rest, box B descends 10.6 m in 3.00 s. The tension in the rope connecting the two boxes is 33.0 N This is...

Please delete this, I made a mistake with the problem and textbook.

Just a quick question regarding the tree level Feynman diagram(s) contributing to this process - I am wondering if I wanted to compute the unpolarised transition amplitude for the annihilation ##e^+ e^- \rightarrow \gamma \gamma##, are there two tree level diagrams that contribute or just one...

Hello, First of all, I'm sorry since I bet there are quite a few threads about this but I still have a bit of a hard time wrapping the axes of the Minkowski diagram around my head. I understand very well that, to have the speed of light traveling at a 45 degree angle in a space-time diagram...

1. Homework Statement Given the picture, find theta, and the magnitude of the force going from point A to B. I have asked multiple people how to solve this problem and they have no idea, I end up getting 2 equations with 2 unknowns but then when I try to solve for theta I get 70cos(theta) -...

Homework Statement I was asked to draw a Simulink Model for the above (car suspension) system. m = 250kg k, spring constant = 70000N/m c, damping coefficient = 3000N/m/s Homework Equations If any equations are needed please let me know The Attempt at a Solution The question says to draw...

Homework Statement A car attempts to accelerate up a hill at an angle θ to the horizontal. The coefficient of static friction between the tires and the hill is µ > tan θ. What is the maximum acceleration the car can achieve (in the direction upwards along the hill)? Neglect the rotational...

Does the stress-energy tensor depend on direction of the relative velocity of two celestial bodies? Assume vy is directed parallel to the gravitational field of the planet, vx and vz are perpendicular to the field, and that the speed would be the same whichever direction it is in. Does it matter...

Homework Statement In a car park there are 25 cars, 5 have L-plates, 12 have GB-plates and 12 have neither. 1) How many have an L-plate but not a GB-plate? 2) How many have a GB-plate and an L-plate? Homework Equations None here really The Attempt at a Solution I got four different drawings...

Homework Statement Figure 1 shows a pneumatic circuit diagram used for air supply and exhaust in an automatic control system. Question: State how the system works.Homework Equations N/A The Attempt at a Solution [/B] Once the system is activated the piston will begin to move cyclically...

I'm going to weld nickel plates/tabs to 18650 cells. Each two batteries will be welded together with a nickel plate. In the center of the nickel plate will be a copper wire to take the 20 amp current flowing from the two cells at 10 amps per cell. Since I have .2 mm thick nickel plates, to get...

Homework Statement http://photouploads.com/images/017db8.png http://photouploads.com/images/eebec7.png http://photouploads.com/images/f472e6.png Homework Equations v= rω The Attempt at a Solution I don't really have much of an attempt. I missed this lecture so I am completely confused on how...

Hello, I am having a bit of trouble understanding this diagram. I can accept the example of the moving train with an observer beside the train and an observer on the train, then two lights emit from both ends of the train when the train pass the observer. But this diagram is a little confusing...

Homework Statement A box shaped vessel, of ##4## compartments and ##80m## lenght, light displacement of ##800## tonnes loads ##200## tonnes in the first compartment and ##200## tonnes in the last compartment. Produce the shearing force diagram and bending moment curve. Homework Equations 3...

can someone give me show me a venn diagram that will satisfy this statement Venn diagram to show that the statement p v (q ^ r) is equivalent to (p v q) ^ (p v r) and show that this statement is not equivalent to (p v q) ^ r.

Homework Statement Determine the closed loop transfer functions of the systems shown below: Homework Equations Standard block diagram algebra. The Attempt at a Solution I've moved the take off point such that the diagram now looks like: I am having difficulty determining G1(s). The...

What is the intuition behind divergences for the sunset diagram? I know that there is quadratic divergence by why no quartic divergence or higher?

I'm trying to create a simplified diagram of the delayed choice quantum eraser experiment (contrast with the confusing one on Wikipedia and the simplified one on some random site). Here's what I have so far: Context that goes with the diagram: it is understood that an entangled pair of...

I guess my question is pretty basic, and following a procedure in the textbook by Lahiri and Pal. You can see the relevant pages at https://books.google.com/books?id=_UmPP8Yr5mYC&pg=PA245&source=gbs_toc_r&cad=4#v=onepage&q&f=false On eqs. (12.84)-(12.86). I don't see how to get from (12.85) to...

I created a diagram on nuclear reactors to advocate for the use of it. Tell me if you see anything I should change.

Couple of questions as to how to interpret the Minkowski diagram when it comes to intergalactic space. 1) To begin, I'll make some pre-assumptions to the question, which you may correct if I'm wrong: 1a) Within any given galaxy, the distances between it's constituent stars is roughly equal...

Homework Statement In the image uploaded below, a boxed shaped object is shown. It is floating in water so the forces that act on it are buoyancy and gravity. The first and the last compartments are filled with evenly distributed weight. The middle 2 compartments are empty. Specifics are...

Homework Statement Draw the free body diagram of the system. (I know that's not what the problem is, but that's what I need clarity on) Homework EquationsThe Attempt at a Solution So I drew the same thing, more or less, but for mine Ay went up. This was how a very similar problem was done -...

Homework Statement Complete a free body diagram for the truss structure with a weight attached to node 2 (this is known as 151N) Homework EquationsThe Attempt at a Solution I have attached my Free Body Diagram The diagram is to display what is know at the start of the problem before working...

phase diagrams show the change of the state when temperature or pressure are modified. to achieve this, is necessary heat, but my questions is: would plasma state be described in this diagrams? is this figure true? because plasma state can be generated by heating.

Homework Statement How come for the following image when I assume block B slips up, block A does not move. The free body diagram at block B does not have a normal from the ground. This is a static friction problem. [/B]Homework Equations No relevant equations all theory[/B] The Attempt at a...

Homework Statement Design serial transmitter circuit take 8-bit word in parallel as input, when an input control signal (SEND) goes high, and serially outputs the word (i.e., one bit during each clock cycle) to a single transmission line. Transmission of a word begins with the least...

Homework Statement Component A is pushed vertically down with a known force F into component B. The angled surface of B is parallel to the angled surface of A. The contact between A and B is rough and so is the contact between B and the ground. The coefficients of friction are known and so is...

I am seriously confused still about how to calculate the torque angle. Here is a sample question on my recent test that I got wrong. I just want to know exactly how you find the torque angle. Thanks

I want guideline to design house wiring. Also need an application by which the design diagram can be digitized.

Hi, Is this Bode diagram tells that the system is stable? As I see it is, because of the φ>0. What doest it mean that the upper diagram has two zero-crossing?

I'm about to attempt this question but beforehand I was hoping if someone could just check if my diagram is correct on the basis of the question; A feed stream contains H2, CO and a trace of CH4. Pure CH3OH is produced by means of a reactor (CO + 2H2→CH3OH), separator and recycle with purge to...

Homework Statement Is it possible to calculate the work done heat transfer, and efficiency of an object in a thermodynamic system, given the Temperature vs Entropy graph? Example: Homework Equations ∆U=Q-W ∆S=dQ/T e=1-(Qc/Qh) e=W/QhThe Attempt at a Solution Since this is a T vs S diagram,i...

Please check my logic. 1. Feynman diagram is a tool to calculate 'final state' from an 'original state'. It is mostly used for simple processes, like scattering. 2. 'Final state' usually have a precise meaning due to observation of particles trajectories. 3. However, in MWI there is nothing...

Hello! I am curently studying the insights of building a Brouwer (Kroger-Vink) diagram for a specific doped material. For example: Al2O3 doped with MgO will result in: Al2O3 + MgO MgAl' + Ali... + OOx + 2VO.. I am trying to figure out how to build the diagram based on this doping reaction...

I've drawn the free-body diagram of an airplane wing spar. I know the magnitude and location of all forces. What is the procedure to construct the bending moment diagram?

Consider the lowest order interaction e.g. e- e+ -> virtual photon-> muon anti muon. I appreciate that the electron-positron pair cannot annihilate into a real photon due to conservation of 4-momentum, but why is the pair permitted to produce a virtual photon? I know that virtual particles...

Homework Statement A weightlifter stands up at constant speed from a squatting position while holding a heavy barbell across his shoulders. Draw the free body diagram of the lifer using Fg, normal force, and force by barbell Homework Equations Fnet=0 ? The Attempt at a Solution I tried...