Graph Definition and 998 Threads

Hello I am a bit confused how to calculate the shear force and bending moment graph for a beam under point loads, distributed loads and bending moments. Is the discontinuous functions the best method to solve such problems? Can anyone outline an approach? I don't understand for example how...

Homework Statement A golf ball is struck at ground level. The speed of the golf ball as a function of the time is shown in Fig. 4-36, where t = 0 at the instant the ball is struck. The scaling on the vertical axis is set by ##v_a = 19~m/s## and ##v_b = 31~m/s##. (a) How far does the golf ball...

Hi All, I need help to find an equation that will give me the location of 'E' in the image below. 'A' is the starting point on a graph. All values from 'B' to 'D' are known values. Currently, 'B' = 50, 'C' = 20, & 'D' = 135° - but I need an equation that will find 'E' no matter what these...

Homework Statement Homework EquationsThe Attempt at a Solution I think none of the options are correct . It is a uniform motion between t=0 and t=2 sec. Velocity is constant . Impulse is given by m∆v .Since ∆v = 0 , impulse is zero at t= 2 sec . Is that correct ?

Homework Statement Homework EquationsThe Attempt at a Solution I don't understand what is y-axis representing ? What is V(x) ? Is it potential energy ? Since the graph is a parabola , V(x) = kx2 I don't know how to proceed further .

All, I hope this is in the right forum. I'm a bit embarrassed that I cannot make sense of this graph. My question is this: When looking at the graph, should you ONLY be reading data points from the two lines -- but also reading the lines independently? I am at a loss why the atmospheric...

Homework Statement There are two particles A and B moving on x-axis .Their velocities are represented on velocity time (v-t) graph . Graphs of both A and B are straight lines . A makes an angle 120° with the positive x-axis whereas B makes an angle 135° . 1) Slope of A or B is more ? 2)...

Homework Statement Homework EquationsThe Attempt at a Solution [/B] y = 3sin^2x dy/dx = 3(2sinxcosx) dy/dx = 6sinxcosx For stationary points...

Let me preface this by saying I am reasonably intelligent overall, but I'm a complete idiot when it comes to computers and technology. I've been trying for hours to put a graph onto LaTeX for a physics labs, but I'm getting nowhere and very frustrated. I've tried to follow guides online, but...

Homework Statement I have a function showing the volume of water in a bay at different times in the day, and I want to know what the area under this curve would represent (if it represents anything meaningful). I know how to integrate, so that isn't a problem. Homework Equations I am...

If there was a positive curved time vs distance graph going upwards and to the right, would there be a speed for this graph even if all the points do not have a slope in common?

Homework Statement Homework Equations Scaling property and property of dual. I got the answer. The Attempt at a Solution I got the answer using scaling property and using property of dual. x1(t)---> X2(W)----(another Fourier transform)--->2(3.14) x1(-w) But I think the final answer should be...

Homework Statement How to determine the graph using the properties of a twice-differentiable function ? Homework Equations None The Attempt at a Solution when x < 2 , y ' > 0 . So, the function is increasing on this interval. But , the correct answer is ( D) and the function is decreasing...

Homework Statement Homework EquationsThe Attempt at a Solution ## \sinh (x) ## is continuous. ## \sin{( \sinh (x))} ## should have the same amplitude. ...(1) Option (a) and (b) follow this condition. For x = 0, ## \sin ({ \sinh (x)} ) ## = 0. ...(2) Option (a ) follows...

I've spent some time researching and trying to find an equation for this line, but it's not exact. I'm only searching for the equation of the line that descends towards zero (the angled line). I plugged in some numbers and it does not match the graph, the line on the graph is steeper. I start...

Homework Statement Homework Equations Reduce the matrix to reduced matrix by removing 1 row completely Number of trees = determinant of [ Ar times ArT ] The Attempt at a Solution I removed 4th row to get Ar(reduced matrix) Then I did Ar times Ar (transpose) And found it's determinant but I...

Homework Statement Could somebody link me to a youtube video explaining this topic, its from an exam paper at me college and I can't find notes on it.It think it has something to do with limits. Many thanks.

Homework Statement The path of a baseball relative to the ground can be modeled by the function d(t)=-t2+8t+1 where d(t) represents the height of the ball in meters, and t represents time in seconds. a. Sketch a grpah of the function between 0 and 9 seconds. b. What is the speed of the ball...

Homework Statement Homework Equations First derivative=maxima/minima/vertical tangent/rising/falling When f'(x)>0 ? the function rises The Attempt at a Solution Deriving relative to x: $$10x-6(yy'+x)+10yy'=0~\rightarrow~y'=-\frac{x}{y}$$ What do i do with that?

Homework Statement Graph: Included as an upload or: http://mgh-images.s3.amazonaws.com/9780073383095/4944-10.3-43IE1.png Given: The graph is isomorphic. Prove that it is indeed isomorphic. Homework Equations The Attempt at a Solution Let the left graph be G(Vg,Eg), and the right graph be...

Homework Statement I'm trying to figure out how to do D) and relate time to this potential energy graph. Homework Equations All I really know is that F = -dU/dx The Attempt at a Solution I tried to do something with F = ma and a = d2x/ dt2 and then set the - derivative of U(x) equal to the...

Homework Statement [/B] In gravity-free interstellar space, a spaceship fires its engines to speed up. The total thrust of the engines as a function of position is shown in the graph below. F on the graph represents 79 kN of thrust. The rocket's mass is 11500 kg. Note the units on the graph -...

Homework Statement [/B] A force acts on an object along an x axis. The force varies with position as shown in the graph below. On the graph, F = 52.0 N. Find the work done by the force as it moves the object from x = 0 to x = 15.0 m. Homework Equations [/B]The Attempt at a Solution So what...

Graph $f(x) = \frac{2}{(x - 3)}$ on the xy-plane by building a table of values. 1. How many values of x must I use to graph this function?2. Must I use the same amount of negative values of x as positive values of x to form an even number of points in the form (x, y)?3. Is graphing by hand an...

I am not sure where to ask this question but I must try somewhere. 1. Homework Statement I am trying to graph a simple cdf on my ti-84 and I cannot get it to work. I need an example to follow Homework Equations See below. The Attempt at a Solution 2nd, dist, 2 enter -1E99,0 0,.5 [/B]I also...

Homework Statement The first derivative of the area ##~\displaystyle A(a)=a\sqrt{r^2-\frac{a^2}{4}}## is positive everywhere Homework Equations When f'(x)>0 → the function rises The Attempt at a Solution $$A'=a\frac{1}{2}\left( r^2-\frac{a^2}{4} \right)^{-1/2}\cdot\left( \frac{1}{4}...

Homework Statement So I have to make three charts for the measurments that we made in class (physics experiments but it's not important). The first one had to be with a linear trendline, the second one with a exponential and the third one with a logarithmic trendline. For some reason the last...

Homework Statement x1= -2, x2= 2 F1= 1, F2= -2 Graph in uploaded image Homework Equations w= F* del x* cos(theta) The Attempt at a Solution I am trying to find the area under the points of F and x but it has an irregular shape and i don't know what to do? Should i do w= (f1-f2)(del x)?[/B]

Hello- I was checking an answer to an integral on Wolfram Alpha and noticed I don't know how they distinguish between ln(x) and ln("absolute value of"(x)). It appears all of their inputs and outputs imply absolute value (taking positive and negative x-values) Is anyone here familiar with their...

In the given question part (a) I don't understand why the work done is negative? The answer says that the displacement is along positive x direction (i understand that) while force acting on the particle is along negative x direction ( why is that? since it appears that as the value of x is...

Hi guys so I have done a Physics EE but after plotting the graph, I encountered a very huge problem with my best fit, maximum, and minimum line... My best fit line is steeper than my maximum line! (Minimum line: Orange Maximum line: Grey Best fit line: Blue) So the thing is, what does this...

These are the links to the specific product I am looking at and its noise characteristic graph. http://www.emelectronics.co.uk/a20.html http://www.emelectronics.co.uk/graphs/a20graph.htm I understand the graph for the most part, but I am confused about which one of the four filters that are...

Homework Statement Plotted a distance vs time graph for acceleration on an inclined plane (constant acceleration) and got graph equation of y = 10.242x^2 + 25.996x - 10.315 So this means that d = 1/2at^2 + vt - y intercept Meaning 1/2 acceleration is 10.242 and initial velocity is 25.996...

Hello, I was working on a worksheet. It gave a graph that was velocity vs. time. I was asked to find the acceleration rate for the given (specific) time in seconds. My first question is if the line on the graph for example is from 1-3 seconds, in that 1-3 second range, is acceleration constant...

Homework Statement Homework Equations Force * time = mass * change in velocity[/B]The Attempt at a Solution What I did was I converted the y-axis from kilograms to Newtons, since the "mass" reading is the force that the scale experiences. Then, the area under the curve will be the change...

Homework Statement A goalie moves in a straight line and her velocity is described by the graph shown. How far away is the goalie at the time t=2.0 from where she was at t =0? The description of the velocity/time graph: initial velocity is 3.0 m/s and increases to 4.0 m/s in 1.2 seconds (slope...

I have collected data on a car accelerating down a straight track. I graphed it Position vs Time. Then I found the tangent slope at 5 points along the curve and plotted them as velocity. But then I linearized the position vs Time graph (position vs Time^2.) However, the slope of the velocity vs...

Homework Statement After plotting a graph with frequency (f) of a wire on the y-axis and tension (C-Clamps) on the x-axis, a root curve was obtained. If the trend of the line is maintained, does it pass through the origin? Should it? Note: graph attached Homework Equations f is proportional...

$\displaystyle \int_{0}^{1} \int_{0}^{\sqrt{1-x^2}} \sqrt{x^2+y^2} \, dydx=\frac{\pi}{6}$ this was the W|A answer but how ? also supposed to graph this but didn't know the input for desmos

Who can make the most impressive, interesting, or pretty TikZ picture? This second challenge is to create a function graph. We can use vanilla TikZ, or the pgfplots package, or... well... that's up to you! If it's not immediately obvious, please mention what makes your picture special. Please...

Homework Statement find the accleration at t=3 seconds Homework Equations vf-vi/tf-ti The Attempt at a Solution velocity at 3sec is 2 m/s and at 0 sec is at 4m.s time is 3-0 2-4/3-0, [/B]

Homework Statement [/B] Sketch in a third vector, C, whose magnitude and direction are such that A+B+C=0. Vectors A and B both have a magnitude of 5 and form a 30 degree angle (image attached).Homework Equations [/B] How do I go about this question? I have no idea how to start or what to...

Homework Statement Homework Equations ## V=IR## The Attempt at a Solution This is an I-V graph so the slope must represent ##\frac{1}{R} ## Now, $$ R∝Temperature$$ {This is assuming that the wires are of metal} Now , since the graph is of ##\frac{1}{R} ## , the steeper the slope the higher...

Hi, I'm supposed to linearize this set of data: "Below is a data set which includes information about the motion of the objects in the solar system. Note: the periods are listed in Earth years (time it takes the Earth to complete one orbit around the Sun) and the average distances are reported...

I'm playing around with Spectral Bisections and Fiedler vectors as ways of bisecting a graph using the sparsest cut. However, I'm finding that even the most trivially simple graphs are bisected incorrectly by this approach. What am I missing? Take for example a graph that is just a 4x4...

Homework Statement gearbox and flywheel are as shown in FIGURE 4. The output shaft rotates in the opposite direction to the input shaft at 5 times its speed. The gearbox has an efficiency of 92%. If the flywheel is solid, has a mass of 50 kg, a diameter of 1.5 m and is to accelerate from rest...

Hallo I will start my question by describing a particular graph , 1. There are a finite , fixed, number of nodes. labeled {A,B...Z} (so for this example there are 24 nodes.) 2. Each node consists of another graph (tree) with exactly 3 nodes in 3 depths. That means we have a graph where...

A mass of 0.3 kg is suspended from a spring of stiffness 200 N m–1. If the mass is displaced by 10 mm from its equilibrium position and released, for the resulting vibration:Plot a graph of acceleration against displacement (x) (for values of x from x = –10 mm to x = +10 mm) Hugely struggling...

So i have an assignment to plan a flight from Heathrow to Glasgow and I am trying to calculate the time fuel and distance for the inital climb to cruise level and departing the airport, we have been given an aircraft manual and i have found the graph attached however i have calculated the...

Homework Statement An object starts from rest and uniformly acquires a velocity of 20.0 m/s in 5.0 minutes. For the next 10. minutes the object moves with a constant speed. After 10. minutes moving at 20. m/s the object then again accelerates and reaches a speed of 15 m/s in the opposite...