Drawing Definition and 539 Threads

Homework Statement Draw the logic diagram for the following Boolean expression. The diagram should correspond exactly to the equation. Assume the complements of the inputs are not available. B(A'C'+AC) + D'(A+B'C) Homework Equations The Attempt at a Solution I can't find any...

I know of multisim, but that is mostly fo rlow voltage applications. I need a schematics program like multisim, that has models of big transformer stations, current transformers, fuses, circuit breakers etc. Anyone of you who knows of a tool like this?

Hello everyone, I have come across a question that I am having quite a hard time with. I am to draw a design of an SRAM chip with an organization of 2M*128 SRAM that uses 1K*1K arrays of D latches. And then the questions ends with saying, "if this design is not possible then explain why." I...

1a)Draw a truth table corresponding to f(X,Y,Z) = $$\sum$$m(0,2,5,7) Apparently since I know that $$\sum$$m(0,2,5,7), I also intuitively know that$$\pi$$m(1,3,4,6) NOTE: I HAVE NO IDEA WHAT THIS MEANSso I know that I have 3 inputs. So I know I have 2^3 rows, starting at 0. So this part is easy...

Hi there, I have a technical drawing considering a shaft and a bearing bush (to slip on). The dawing says 85mm diameter H7s6 and I was wondering what does it mean and how can i figure out the tolerances regarding to H7s6, any mathemtical explanation or a online table to look after? Thanks...

Homework Statement y = (4/3)cos(x/2 + pi/6) - (2/3) (0 <= x < 2pi) Find the maximum and minimum values for the trigonometry function without calculus or drawing the graph. Basically in the solution they apply the transformations to the domain given in order to find a new domain...

Hello, I'm working on a poster and senior thesis in materials science research and need to draw schematic diagrams of a few objects including: -a PLD chamber -Thin films -XRD -SEM -energy diagrams -a sin wave I've downloads inkscape and have tried to draw in powerpoint so far. Are...

Homework Statement I need to draw a simple electric drawing that will in reality present a circuit with two 500W floodlights connected in such a way that if the primary light dies out, the relay will connect the secondary light to the source. Only the primary light is supplied, while the...

^^^ that's precisely the one that i need. perfect for math... no chalks or markers. no funny smell, no dust. no maintenance. love the precise erasing as well anyone know where i can pick up one of these...but for adults?

hello i am going to be in highskool next year wat shud i take science or technical drawing and woodwork? science is hard and i don't want to do accounting but woodwork is cool u make stuff like chairs please help

Homework Statement Two speakers are emitting identical sound waves with a wavelength of 4.0 m. The speakers are 8.0 m apart, directed toward each other. At each of the noted points (a-e) in the above diagram (at 2,3,4,5, and 6 meters, respectively), is the interference constructive...

Hi, I'm working through thinkpython and there is an exercise which requires drawing flowers and arcs. I'm having some trouble understanding the arc function. def arc(t, r, angle): """Draws an arc with the given radius and angle. t: Turtle r: radius angle: angle subtended by the...

http://img687.imageshack.us/img687/5889/shear.png I'm having trouble drawing the shear diagram on MAsteringEngineering. I'm pretty sure the values are correct too? I got By = 10.5 and Ay = 9.5 V(x) = -2x+9.5 for the distributed load so when I set V=0, I find the x intercept to be...

Homework Statement The drawing shows a lower leg being exercised. It has a 49 N weight attached to the foot and is extended at an angle θ with respect to the vertical. Consider a rotational axis at the knee. a. When o θ = 90.0 , find the magnitude of the torque that the weight...

Homework Statement A balloon with person A in it has a force of gravity of 3000N acting on it. The balloon has an upward force of 3800N due to the hot air in it. Two people are keeping the balloon hovering just above their heads by holding onto ropes attached to each side of the balloon. If...

Homework Statement I really just need help understanding how to re-draw a resistor diagram after calculating an equivalent resistor. Now in the picture given in the attachment, you can see that R1 and R6 are in series with each other when I compute their equivalent resistor(R1+R6), on what...

Homework Statement A line Ab inclined at 30• to the Hp has its ends a and b, 25 mm and 60 mm behind the vp respectively. The length of the top view is 65 mm and its vt is 15 mm below the Hp. Draw the projections of the line and locate its ht. also, determine the true length of the line Ab and...

Homework Statement Draw and label the 3-phase voltage waveforms where VAN= 347∠0° Vrms, VAB= 600∠30° Vrms, Frequency: 50Hz, Volts/Division 200, Time/Division: 2 ms 2. The attempt at a solution Im really not sure how to tackle this one. My prof hardly went over this in lecture, but gave this...

Homework Statement Plane stress in xy-plane. Use Mohr's Circle to find σx1 σy1 and τx1y1 if the XY axis is rotated counterclockwise θº I want to do my HW problem myself so I'll just put some sample values. If i know how to get this one, i'll know how to do the HW problem(s). (Units won't...

Homework Statement The idea is that the program asks the console user to provide them with a number that tells the program how many different colors of balls are to be used. Then, a ball is randomly drawn from a jar. That ball is put back in the jar, and balls are drawn until the same ball as...

Does anyone know where I can find this? I'm having a heck of a time finding it on google. It was this little app where you could just draw a symbol and it would give the latex code for the symbol. I remember it saved my a lot of time when I was just learning latex and I would still have a use...

find the values of x for which x + 4 > \dfrac{2}{|x+3|} as the | x + 3 | is positive I thought it would be okay to just bring it over so: (x+4)(x+3) > 2 solving this, I get x > -2 and x < - 5 however drawing a sketch of the original question shows that the only value needed is x...

how can I draw y = arcsec(e^x) where x > 0 and 0 < y < pi/2 I've found the derivative which I got to be \frac{1}{\sqrt{e^{2x} -1 }} however, the graph doesn't seem to have any minimum or maximum points. I don't really know how to test this about, as I don't know what arcsec(e^x) is...

Homework Statement https://www.physicsforums.com/attachments/56019 Homework Equations The Attempt at a Solution The net force will be: F=\frac{2*Sin(\alpha)*q1*q}{(d/cos(\alpha))^{2}}=cos(\alpha)^{2}*Sin(\alpha)*qq1/d^{2} Taking the rerivative to find the maximum we...

Hello, I have been having problems drawing the derivative of a function. What I mean is that just given the graph of some function $f$ and not its definition, you are supposed to draw $f'$. I understand that when the tangent line of the graph is horizontal, this will correspond to $f'(x)=0$...

Homework Statement Arudino (UNO) is a Microprocessor. As 13 I/O pins and 8 digital pins and 6 PWMs. Homework Equations The Attempt at a Solution the problem is I don't know how I can power it. I don't think the digital I/O plug can be used as a power source. So I don't know where the I/O...

Homework Statement Draw the products of the mono-chlorination reaction of methylcyclopentane. Indicate the minor and major products. Homework Equations The Attempt at a Solution I've tried looking up examples of how to do this problem but can't seem to find any. From what I...

I was wondering how you incorporate an angled load into a shear force diagram? So far I've only been working with vertical loads and I've looked through my entire book without finding an example with loads at an angle, so I'm not sure what to do here. I know I have to end up at 0 so I see I...

Can anyone recommend me software for efficiently drawing graphs? By graphs, I mean graphs from graph theory, i.e. pictoral representation of a network with edges and vertices. I need to minimize the wire crossings in a certain Boolean circuit network I have developed. If the software can...

We draw cards from a deck of 52 cards a) list the sample space if we draw two cards at a time my ans to this is ((H2,S2)...(C2,D2)) b) How many outcomes do you have in this experiment but I don't know how they got the answer of 1326 thanks ahead...

Homework Statement Given this function in an open loop control system http://img255.imageshack.us/img255/3686/700qa.jpg Draw a bode plot of the transfer function: The upper graph will present the lines for each of the amplification factors for each of the system components, the lower...

Homework Statement A superhero and his sidekick are hanging motionless from a rope. The superhero’s mass is 90.0kg, while the sidekick’s mass is Homework Equations The Attempt at a Solution i tried drawing it out, but not sure so I divided the rope into two points, one on...

Homework Statement I need to draw the running coupling constant graph like this one: And I have a formula: \frac{1}{\alpha(\mu)} = \frac{1}{\alpha(M_Z)} + \frac{b}{2\pi}\ln\frac{\mu}{M_{Z}} And I have the necessary data to draw \frac{1}{\alpha_i(\mu)}-\log(\mu) graph (I have...

Hello. I have an integrated circuit that draws current in pulses. The pulses have a duration of about 0.5 ms and a period of 2 ms. I need to make a circuit to put in front of this IC that will smoothen out these current pulses. One option is just to use a resistor and a capacitor. When the IC...

Homework Statement What is the probability of drawing a full house from a standard deck (52). Homework Equations The Attempt at a Solution These are the two answers I came up with: (52/52) * (3/51) * (2/50)* (48/49) * (3/48) * 5C3 * 5C2 = 0.0144~ or (52/52) *...

1. Homework Statement [/b] Consider the dynamical system \frac{dx}{dt}=rx-\frac{x}{1+x} where r>0 Draw the bifurcation diagram for this system. Homework Equations The Attempt at a Solution Well fixed points occur at x=0,\frac{1}{r}-1 and x=0 is stable for 0<r<1 and unstable for...

Please, I need you to teach me how to write the equations from the Karnaugh map and then how to draw the NAND circuits. Here's the sample that I have but I don't understand :( I know the basic of writing SOP and POS from the Karnaugh map but that's all. I don't get how it is converted to get the...

Homework Statement I have to draw the step response of the following two systems. G1 = (4+3s)/(s^2+4s+4) G2 = 3/(s^2+4s+4) So I started to draw the step response of the second system first. It has to be in the funky standard form: \frac{ω2}{s2 + 2ζωs + ω2} EDIT: Seems like the above doesn't...

Homework Statement A standard deck of 52 cards of 4 suits, each with 13 denominations, is well shuffled and dealt out to four players, N, S, E and W, who each receive 13 cards. If N and S have exactly ten cards of a specified suit between them, show that the probability that three remaining...

1: 1 (26/52)* 2: 11 (12/51)** 12 (13/51)*** 3: 111 112 121 122 4: 1112 1121 1122 1211 1212 1221 1222 5: 11122...

Hi, first post here... Wasn't sure to put this in Basic Probability and Statistics or Advanced Probability and Statistics, figured I'd put it here in Advanced so it can get better help, if this belongs in Basic, mods feel free to move it.There are 60 Marbles in a bag. There are X red marbles, Y...

I was doing my homework just now, writing a lot of \kappa's and all of a sudden I can't draw them anymore :frown:.

What is the rule for orienting tensors? In the above image we have the components of the Cauchy Stress Tensor in 2 dimensions. In the bottom left you see the cartesian co-ordinates are oriented as normal. How do I know \sigma_{xy} is oriented upwards on the right face and downwards on the...

It's been some time since I studied probability. So, forgive me if this seems like a very simple question to answer, but after trying to wrap my head around it for two days without any success, I'm confident that once I understand it, the rest will become very clear. Let me start with what I...

How can I get Tikz to produce this, tanx = 1/x, graph from [0,10\pi]?

An urn contaions 1 red ball, 1 green ball and 2 blue balls. An expriment consists of drawing 2 balls in succession from the urn subject to the following rules i) if the first ball drawn is green, then is is put into the urn before the second ball is drawn ii) if the first ball drawn is not...

Homework Statement The picture attached is the problem. Also given is the constant acceleration of 2m/s^2, a frictional force of 75N, and the mass of block A is 25kg. Homework Equations The Attempt at a Solution I just need help with drawing the free diagram part involving the normal force...

Hello everyone. I just created a YouTube video on how to draw 4, 5, 6, and 7 dimensional objects. Yes, contrary to popular opinion, this is possible. The four minute video is available at http://youtu.be/Q_B5GpsbSQw Please let me know what you think. I hope you like it. Thanks...

Homework Statement Assume the system is massless. The Attempt at a Solution Here is my quick attempt at drawing a free body diagram for this system: What I am not sure about is the direction of the force at F. Should the force be A or B?

Homework Statement The y = f(x) is the original graph. The question asks me to draw the y = 1/f(x) of that graph. What I did was just use the same x coordinates and then take the y coordinates and just do 1/y coordinate for each y coordinate. Is this the correct way to do it? Also, the red...