Graphs Definition and 625 Threads

I have the answers, but I don't know how to get them. The starting graph is a position-time graph of a basketball being thrown straight up into the air. From that graph i have to find an acceleration-time graph, and a velocity-time graph. Can someone explain to me the acceleration-time...

hi , i am unable to draw the graphs of complex valued functions using mathematica, please help me . Ex:koebe function. z/(1-z)^2, z is a complex number

I'm calculating absolute relative error at the moment for a practical I did. However, I've hit a brick when attempting to find a general relative error I can use because I need to gradient to find something else which also requires a relative error calculation. I have frequency (+/- 0.0005)...

the question goes like this: the first part asks to utilize simulink to obtain the graph pattern: the second part requires us to make use of laplace transform and inverse laplace transform to solve the initial value problem: the third part asks us to compare both the results...

Hello my question is how and with which methods Equations are derived from graphs,for example the graph below is for specific energy in open channel flows,and the equation to it is : E=y+(q^2)/2*g*y^2 how this equation has been obtained from the graph? if in Excel you add a trendline to...

OK, on a velocity-time graph, how does one determine the acceleration? I actually attempted to find the slope of the line and the graph here: http://www.physicsclassroom.com/Class/1DKin/U1L4a.cfm (the second graph with the rightward changing velocity) Why does it graph 4, 8, 12, 16 and 20...

Homework Statement (A) Graph the functions f(x)=x/2 and g(x)=1+(4/x) together to indentify the values of x for which x/2>1+(4/x). (B) Confirm your findings in part (A) using algebra. Homework Equations The Attempt at a Solution (A) I graphed the equations and found the answer...

Homework Statement In my Engineering Circuit Analysis I class I am in Capacitors and Inductors where they give us the graph of either i(t) or v(t) and we have to determine the graph of current or voltage depending if it's a capacitor or inductor. Homework Equations For example, v(t)=...

Homework Statement Sketch \frac{cos x}{x + \frac{\pi}{2}}Homework Equations The Attempt at a Solution hey guys, I just need help sketching this graph, I can work out the points of intercept with the y-axis however having trouble doing more than that. On a more general note, I generally find...

The "broadcast time" of a vertex v in a graph G is the number of time units it takes for a piece of information to go from v to every other vertex, provided that each vertex can communicate to only one other vertex during each time unit, and the information is transmitted in one time unit. The...

Hi. Need help with following problem: Let R=(V,E) a regular graph with degree at least 1 and odd number of vertices. Let C=Aut(R) the transitive action on the set E of R. Prove C also transitive action on the set V of R. Anyone got any idea/tips? Thanks!

can someone pls tell me how you can get the value of 'a' or the gradient in a quadratic equation by analysing the quadratic graph as a reminder the equation is y=ax^{}2+ bx + c

Need to investgate the ratio of the areas formed when y=xn is graphed between two arbirary parameters x=a and x=b such that a<b 1. Given the funtion y=x2, consider the region formed by this function from x=0 to x=1 and the x-axis. Label this area B. Label the region form y=0 to y=1 and the...

hi i was wondering if anyone knew how to introduce different populations at diffrent times on the same plot on mathematica? Say i wanted population 1 have n = 10 at t=0, population 2 to have n=4 at t=0 and then introduce a new population at t=25 so that population 3 would have n= 0 initally but...

I have a quiz and I don't know how to solve this question ? Help me This is my first post . I don't know where to post this topic . Can you move this topic into right place , Mod ?

rather urgent :(, isomorphic graphs, planar graph I need help with the following two problems: 1) Is this graph planar? 2) Are these two graphs isomorphic? I don't know what to do with these two problems, and I would be really grateful for all your hits and help. For number 1, I've tried...

Hi i was just wondering if someone could tell me how one can find the phase shift and the number of squares to move the graph over by from an equation?. We are doing cosine and sine graphs and my teacher has been away for a few days so the supply teachers haven't been really that great in...

I have a P-V trace for a wide open throttle and a part load. Is it possible to calculate the BMEP from these graphs?

Homework Statement http://i568.photobucket.com/albums/ss125/NakedNoodles08/GraphsandData-1.jpg Hello Physics Forums, i stumbled upon you guys when i stumbled within my physics work. The problem i am to put forth revolves around Hooke's law. I am conducting an experiment on Hooke's Law...

I have done these questions but I am trying to figure out if I did them the correct way. I cannot find an answer key yo check them by. Does anyone know the answers? http://cosmos.bgsu.edu/communities/research_community/MeasurementInst/pdfs/Motioneval.pdf

Drawing graphs with errors using Matlab. I'm writing my first serious report, yay!, from the measurements we made with series RLC -circuit. I'm supposed to determine the values of the two coils we used as well as their self-inductanses. We had four different circuits: R, L1 and C in series...

Hi, Is there a way of calulating the angles from the slope or coordinates of a graph. Say you have a bunch of x and y coordinates and you want to find the angles between those points at various coordinates (say every x,y ratio) can it be done? How would you go about it?

Homework Statement A road is built up the slope of a hill with a height of h meters and an angle of inclination of x. The length of the road is d. a) Sketch a diagram of this situation. Label all quantities. b) Show that the length of the road is represented by the relation d = h csc x. c)...

i can produce 2d graphs with my code but i need to produce 3d aswell, is there no easy way i can produce a 3d graph?

Homework Statement I previously left some absolute value questions which contained a few simple equations and equalities. i have a further question when it comes to slightly more complicated Absolute statements. Sketch the graph of y = 2|x-1| - 3|x+1| + 3x + 1 Homework Equations...

I am completely lost on how to convert velocity time graphs into acceleration time graphs. so far all i no is to break the velocity graph into sections/intervals and find the area. the answer i get for the area is the scale on my y-axis of my acceleration graph. but what i do not no is what...

I was told by my teacher that the definition for distance is just "the amount of ground covered", and that displacement is "the distance in a particular direction". I was looking at some distance-time graphs online and I saw that towards the later stage of the journey in some of the graphs, the...

Homework Statement True Or False In the position vs. time graphs above, all times are in seconds and all positions are in meters. Which of the following statements are true about the graphs shown above? Hint: keep in mind that velocity is a vector and speed is a scalar. The average...

Homework Statement How do i figure out the TOTAL displacement of this graph http://img186.imageshack.us/img186/7677/36947032we7.jpg Homework Equations I'm guessing A=1/2bh and A = bhThe Attempt at a Solution I've got no idea due to the line crossing the X axis

-------------------------------------------------------------------------------- the maximum kinetic energy of a photoelectron, Ek,max , to the smallest amount of energy, E0, needed to free an electron from the metal, and the energy, Eph , of the incident photons of light: Ek,max = Eph –...

Homework Statement Suppose two exponential functions, f(x) and g(x) are symmetric with respect to x = 2. f(x)=a^{bx-1} g(x)=a^{1-bx} Prove f(2) = g(2) Homework Equations The Attempt at a Solution This isn't actually a problem. This is a property used to solve a different...

How can I draw equation on MATLAB ...the equation is attached with this thread I am new to MATLAB ... kindly provide me commands or necessary code if possible

Just wondering why its always denoted by the letter k.

I've been working on this one problem for a while and I don't really seem to understand it. If you could help me understand how to do this, I would be much obliged. Two students are on a balcony 19.6 m about the street. One student throws a ball vertically downward at 14.7 m/s. At the same...

TI-83 problem...Secant Graphs Homework Statement What are the properties of: y= 2 sec(-2x + 90deg) + 3 Homework Equations sec (x) = (1/cos (x)) The Attempt at a Solution I have a problem with finding the Domain of y= 2 sec(-2x + 180deg) + 3. First of all, I have to put the...

Help! please what motion is occurring when the slope of a distance vs. time graph is zero Homework Statement slope of a distance vs. time graps is zero and constant and changeing slope of a velocity vs. time graph is zero and constant what types of distances are there? Homework Equations...

this question confuses me and my teacher hasnt been in school for the last 3 days and I am positive we have not learned anything like this. please help let B(t) be the population of Belgium at time t. the table below gives the midyear values at B(t), in thousands, from 1980 to 2000. Fill in...

Can someone explain to me why the graph of: logy=logx² is the graph of a regular parabola logy=2logx is the graph of half a parabola (x>0) logxy=2 is the graph of half a parabola except x>0 and x cannot be equal to 1 I just don't understand why they're not all normal parabolas, and...

Homework Statement -m is the responding variable, n is the manipluated variable -the equation is m + 4 = nE2 - 6 -so to graph our equation we have m = n(squared) - 10 -our graph is parabolic ok that's no problem. The question I have is what is the procedure to take one of these...

The <Diamond> + F1 menu allows me to plot only Y= graphs. How do I plot a graph of say, y^2=x+4 ? You cannot plot y=Root(x+4) because you would miss the negative part of y. If this is the only way to plot such graphs, how to you tell TI to plot a y= +/- Root(x+4) ? Thanks.

Draw A motion diagram A postion-versus-time graph, and A velocity-versus-time graph. A pitcher winds up and throws a baseball with a speed of 40 m/s. One-half second later the batter hits a line drive with a speed of 60 m/s. The ball is caugh 1 s after it is hit. From where you are...

I'm doing an experiment on periodic motion using a spring and a mass on the end. My teacher wants us to graph T^2 and mass, but i don't understand we don't just graph T. I hope someone understands what I mean :smile:

The graph of g is interm of f. So how to plot g(x)= f(|x|) and of g(x)=|f(x)|. Is it jus a 'V' shape one.This problem is in Spivak Textbook, Chapter 4. Thanks to all.:confused:

Hello, I need some help with some questions b/c I have been out sick and I am still sick and have missed all this info and my teacher emailed me my homework, so can you please help me I would really appreciate it, I have skipped most of the problems, I just need help with these! Homework...

The question is Graph f(x)=X^3-3x. Does it have any high or low points? What about symmetry? Okay the problem I'm having is what formula to use with a ^3 on the X, my previous 2 problems I did by using the quad formula, those questions were f(x)= 2x^4+4x^2-1, and f(x)= 16x^2+4x-3...

Homework Statement The graphs of f( ) = 2sin() - 1 (blue) , and g() = 3cos() + 2 (red) are shown below: http://img403.imageshack.us/img403/6991/38ah7.jpg http://g.imageshack.us/g.php?h=403&i=38ah7.jpg What equation would have the intersection points of the graph its solutions...

I am doing an experiment on the pendulum, and i wanted to do something on the damping, i understand a little as i have done some reading on it, the picture attached show the working i have done, i have reached a second order DE and i know little about this. So my question is, can you plot a...

For my thesis project i'll soon want to draw 2D graphs based on input data coming wirelessly via bluetooth. The signals will be directional motion, acceleration, change in elevation and finally some added data on ECG, heart rate etc. As I'm planning on having a C# GUI user interface - how...

this is the question... For what values of k is the graph of the equation x^2 + y^2 +2x-4y+26=k^2 - 4k a. a circle b. a point c. an empty set i think i should change the equation to this form...(x+1)^2+(y-2)^2=k^2 - 4k - 29 then what?

Hi, i'm not a mathematician at all so I'm sorry for not using correct jargon. I need to create functions that give a specified output. I'm able to draw the graphs that should correspond with the output values of the function, however I haven't got a clue how to get the corresponding...