Table Definition and 894 Threads

Hey, What are the steps to follow to draw a truth table and create canonical expression from a given expression A? Lets say I have A= B'.(C'+D) 1) first I have to draw the truth table for the expression above, but How could I do that since I only have one expression? 2)Then I...

Knowing the pressure to be 289.1 torr and boiling temperature of water at this pressure to be 75° C, what is the amount of energy needed to evaporate 1kg of water. Where can I find the table for different pressures?

Here is the question: Here is a link to the question: Cayley Table construction? - Yahoo! Answers I have posted a link there to this topic so the OP can find my response.

Homework Statement There are n persons sitting round a table. Prove that the number of different ways in which 3 persons can be selected so that no two are neighbours is ##\frac{1}{6}n(n-4)(n-5)##.Homework Equations The Attempt at a Solution I don't really know how to tackle this problem. I...

Homework Statement you and your two friends are with 5 other people who are randomly assigned to two tables of four. a) calculate the number of possible seating arrangements (where actual placement of your chair does not matter, only relevant placement of individuals at a table) b) compute...

I have posted a question on here before regarding the generation of a number sequence. I followed up that question with an answer. However, as I have developed my code more I need to use an equation instead of a lookup table. Note: I'm using MATLAB Given a matrix A of size r x c where r >=...

Homework Statement Use the rules of inference to prove the following: (¬p ^ q) ^ (r → p) ^ (¬r → s) ^ (s → t) ) ⇔ t. Homework Equations Rules of Inference I guess. The Attempt at a Solution Honestly I don't know where to start using the rules of inference. I drew a truth table and...

Hi, can someone please explain to me how I can identify which is the oxidation half and which is the reduction half of a redox reaction. I have read on the internet that the oxidation half is the highest up the table between the two then why doesn't it work for: (Ca^2+) + 2Br → Ca + Br2...

I have a 9 input to 9 output truth table I constructed using Python. I am trying to find a program that can deduce the (hopefully minimized) Boolean expression for my outputs. I tried Logisim already, but when I try to paste the enormous data (512 rows), my Logisim crashes. Can anyone recommend...

Hi All, I built this shaker table: and I am now trying to change the amplitude so that it is no longer fixed but instead variable. The frequency I can change but the amplitude is fixed given this design. Does anyone have any suggestions on how to be able to change the amplitude so I can...

Homework Statement Two 640-candle lamps are placed 6.0 ft apart and 8.0 ft above a table. Calculate the illuminance on the table directly below one of the lamps. Homework Equations The illuminance equation, to the best of my knowledge is as follows: E = I/s^2 and E = (I/s^2)(cos x)...

I am working on an electronics project which is sort of an auto-correcting two-axis gimbal table. There are two degrees of freedom, being two square frames - one can rotate on a pitch or y-axis, the outer frame can rotate about a roll or x-axis. There is a third outer frame which is fixed to a...

Homework Statement Homework Equations Free Body Diagrams, Moments, Equilibrium The Attempt at a Solution Started off by giving x,y,z coordinates to the 4 points (A,B,C,E). E is the centre of the table and I used that as my origin. A=(-1.034, 0, -0.6) [Leg to the Left)...

Homework Statement Three printers [X, Y, Z] are placed on top of each other on a table. What force does the middle printer exert on each of the other two printers. x is on top, y in middle, and z on bottom. x = 4 kg, y = 3 kg , and z = 2 kg 2. F = ma The Attempt at a Solution...

Hello For a software on which we are currently working we need a .net library for reading/writing array of data tables from/to relational databases. Is there such a library for .net? Tunc

Homework Statement In how many ways can a group of 9 women and 6 men be seated at a circular table if no two men can be seated next to each other? Homework Equations The Attempt at a Solution I have come up with a solution, but I'm unsure if my reasoning is correct...

Construct extrapolation table with optimal rates of convergence Homework Statement Let S be a cubic spline interpolant that approximates a function f on the given nodes x_{0},x_{1},...,x_{n} with the boundary conditions: S''(x_{0})=0 and S'(x_{n})=f'(x_{n}). Use S to estimate f(0.1234567)...

Homework Statement A 2kg block is resting on a frictionless table. It is hit, head on, by a 1kg block heading at 4 m/s. The larger block is sitting 3m from the edge of a 5m long table. The collision happens with the smaller block's distance being 2m from the table and the larger blocks d =...

Hi, I just want someone to explain this table to me please, I am totally confused especially with the Change(mol). Question below:

Homework Statement Hi everyone. I need to do project on a 4-legs square table of dimensions 0.5m*0.5m*0.5m with weight X Newtons. At each corner, there is a column supporting the table. A downward force of 150 Newtons will act on the table at the place where one of the column is. Before...

Hi! I'm struggling with the bellow truth tables: P = I live in Paris Q = I live in France A B C P → Q Q → P ¬ Q → ¬ P S S S S S S F S F S F F F S S S F F F S S S F F F S S F S F F S F S S S Table A and C I'm...

Homework Statement A mass of 30kg on a smooth horizontal table is tied to a cord running along the table over a frictionless pulley mounted at the edge of the table. A 10kg mass is attached to the other end of the cord. When the two masses are allowed to move freely the tension in the cord...

1. Two blocks, of masses M = 3 kg and m = 2 kg, are in contact on a horizontal table. A constant horizontal force of magnitude F = 5 N is applied to block M as shown. There is a constant frictional force of magnitude f = 1 N between the table and the block m, but no frictional force between the...

Hi guys, I'm a mechanical engineering student and my dad want's a simplified motorized rotating table. I want to take it as a chance to implement my study in it, and I'm doing it all the way modeled on solidworks and animated. The calculation part is holding me back, there's a couple of things...

Homework Statement A basketball was shot in the air. Use the following data to produce a horizontal position-time graph and a vertical position-time graph 1. Determine the initial velocity of the basketball. 2.What was the maximum height of the basketball. 3. What is the velocity of the...

Homework Statement A box on a friction less table is connected by a cable to a second, hanging 10.0kg box. The cable has no mass, does not stretch and the pulley is friction less . m2 accelerates 2.0m/s/s downwards Homework Equations F= maThe Attempt at a Solution Fnet=m1a T= M1a Fnet=m2a...

1.A 10 kg block (A) on a table is connected by a string to a 78-kg mass (B), which is hanging over the edge of the table. Assuming that frictional forces may be neglected, what is the magnitude of acceleration of the 10kg black when the other block is released? 2.So the acceleration of the...

Hello all I am a new member here. I've found this forum today by chance. My question is, which theory or field of math deals with tables, meta data and table functions? Is it group theory? Regards Tunc

I attached the problem statement. The problems I have done in the past always involved gates (AND, OR, etc...) Now this involves transistors, I honestly don't know how to go about doing this. One of the hints for the problem is to assume the ideal transistors are operating in cutoff or...

Homework Statement 1) Why does the centering ring not start to shift as soon as you change the angle? Homework Equations none The Attempt at a Solution 1) It does not shift because the equilibrium of the resultant vector can vary from -1.5 degrees to 2 degrees based on our data.

Hi , not sure if this is the best place to set this question, if not please tell me where.. me and my friend are arguing about the best way to set a table, we have a rectangular plank and four legs in 'L' shape, how do we put the legs so they sustain the plank better? like this : L or ¬ ? and...

Hi guys, I hope we got some expert out here for vibration profile problems. I have a device that need to be on a shaker table but I need to "find" its profile to see if the shaker table can actually run this experiment. The Shaker table is Unholtz-Dickie system SA30-560B and I have data...

Homework Statement Homework Equations Energy The Attempt at a Solution So I'm not exactly sure what this question even wants considering the statement is true by the work - energy theorem. Does it want me to show it explicitly for this case? If so, then, since there are no forces...

Homework Statement A set of 59 playing cards of length L = 15 cm are stacked on the edge of a table so that the length of the overhang of the top card with respect to the table is maximized. A stack of only 6 such cards is illustrated. This problem requires you to draw an accurate Free Body...

Homework Statement The following table gives data, in KJ, for a system undergoing a power cycle consisting of four processes in series. Determine the a) missing table entries, each in KJ, and b) the thermal efficiency. I have attached an image of the Table. Homework Equations Q = (E2-E1) + W...

Consider an m x n table containing single digits 0 to 9. So each cell contain the digits 0 to 9. My goal is to make sure that all combinations from 000 to 999 can be found in the table in adjacent cells. A cell is adjacent to the cells around it (i.e. above, below, to the left, to the right...

Homework Statement We have captured some transmission from some transmission media and it is not a clear readable text. We know that the message part of the frame is using ASCII-coding to code the message. The transmission is in several parts. We know that the start of frame is...

Hello, I have a problem with finding values from the table that are not presented in table. Let's say i need a value corresponding S/D 2,6 H/D 2,3. Is it even possible? Thanks, L.

Homework Statement please take a look at the picture m1= 4kg m2= 5kg angle is 30 degrees (surfaces are frictionless) find the acceleration and the tension what are the formulas used for solving this?

Homework Statement block1 2kg block2 2.5kg coefficient of static friction =.5 coefficient of kinetic friction= .3A)how can you find the acceleration and tension? which coefficient do you use?

So basically The IP address I was given was 192.169.9.0, subnet mask 255.255.255.0. I was told to divide the IP into equal subnetworks. Have I done this correctly?

For example, if the moment generating function is (1-2t)^(-6), then the degree of freedom r=3, right? The question is asking me to find P(X< 5.23)...I want to use the chi-square table, but I'm not sure how... This is what the question states: If (1-2t)^{-6}, t<1/2, is the mgf of the...

I had a cpre exam last night and this was the last question. Can some one tell me the answer, I'm curious if I got it right or not. The part that tripped me up was a 2 bit "half adder". I assumed I wasn't supposed to use a full adder. So I'm not sure what to do with the carry from the first...

hi, I need detailed information of Delta(1950) and N+(1700) as what the Particle/parton data table provides. The website http://www-cdf.fnal.gov/upgrades/computing/projects/run2mc/mc_generators/pythia/pythia6129_decay_table.txt does not contain the two resonances. Where should I find the...

Homework Statement An object of mass is placed at rest at the point x=0 on a horizontal table and at time t=0, a horizontal force is applied to it given by Fx = c1t where c1 is a known positive constant. The coefficient of friction between the table and the object is u. If friction force...

Hello, I am currently doing a project and trying to understand this table. I have a pretty good mathematical background but I know very little about statistics. Could someone explain, in simple terms, what this table is saying, specifically "Unstandardized Logit Coefficient" and "Beta"? Thanks...

Hey everyone! If you have a table that has distinct values for each x,y pair how would you determine the x,y values from the table? eg... *table formatting is not working out for me, I am sure you can look at it and see what I was aiming for* y 4 | 9 36 54 72 90...

A wedge with mass M rests on a frictionless horizontal table top. A block with mass m is placed on the wedge. There is no friction between the block and the wedge. The system is released from rest. Figure http://tinyurl.com/9zcf7uq 1. Calculate the acceleration of the wedge. Express...

Homework Statement For the state table shown below, show the output sequence when the input sequence is as given below. Assume the machine starts in state A. x : 1 1 1 1 1 0 1 1 1 0 1 1 0 0 1 1 1 1 0 1 1 z : x>0...1 A A,1 B,0 B A,0 C,1 C D,1 A,0 D A,0 B,1 Homework Equations N/A The...

Homework Statement Two marbles roll off a table at the same moment. One of the marbles has a horizontal speed of 1 inch per second, and the other has a horizontal speed of 4 inches per second. a) Which marble hits the ground first? b) If the table surface is 3 feet from the ground, what...