What is Relationships: Definition and 173 Discussions

The following outline is provided as an overview of and topical guide to interpersonal relationships.
Interpersonal relationship – association between two or more people; this association may be based on limerence, love, solidarity, regular business interactions, or some other type of social commitment. Interpersonal relationships are formed in the context of social, cultural, and other influences.

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  1. E

    How Do You Calculate the Surface Area of an Enlarged Cylinder?

    The volume of the cylinder is 400 cm cubed. Calculate the surface area of a similar cylinder formed by enlarging the one shown by a scale factor of 2. The height of the cylinder is 10 cm. I don't know how to calculate the surface area, but I know that the area factor is (H/h)squared...
  2. D

    Wave function phase relationships

    The wave function is complex. I was taught that its square (probability) was actually psi times it's conjugate. Does this relationship always hold or was this only for bound and free particles? In other words is it possible for psi and psi* to change phases during orbital state transitions?
  3. T

    Why is the derivative of a circle's area its perimeter?

    Homework Statement Explain why the relationship of the derivative of a Circle's area is its perimeter makes sense. Homework Equations Area of a Cirle=pi*r^2 The Attempt at a Solution da/dr=2pi*r 2r=diameter and the circumfrece=pi*D so da/dr=Circumfrence How do i explain why...
  4. P

    Requesting relationships to know for success in Physics

    From mathematical concepts (eg trig) to the basic physical ones. Which should I know and understand?
  5. C

    Is a Death the Ultimate Breakup?

    Bad break up anyone?
  6. M

    Curves, relationships, functions and symmetry

    For the following curves i) y=x^2+4x-1 ii) y=-2+or-Square root(x+5) a) Sketch both the curves on the same sheet of graph paper- against the same axis I have done this, although I have not shown it here b) Determine with proof, whether the above curves are related. Not sure how to do this...
  7. cronxeh

    Finding the One to Long-Term Relationships for Geeks

    OK it seems we need to talk about relationships. As a lifelong geek I'd like to point something out. I can't talk about all of you but I can assume and extrapolate, and I'd like to hear your stories and input on this matter. I think we all longing to be with someone and often times feel...
  8. S

    Exploring Basic Physics Proportional Relationships: A Comprehensive Guide

    I was wondering if there are place on the internet where I can find a list of basic physics proportional relations. For example, a proportionaln relationship is that B (magnetic field strength) is directly proportional to I (current) and inversely proportional to R (distance). also, something...
  9. E

    Relationships between bandwidth, Fourier trans & digital modulations

    HiHo! W. Stallings's "Wireless Communications & Networks, 2nd edition" explains the relationships between bandwidth and Fourier transformation by depicting a square wave. The square wave is approximated with a Fourier series having several sine terms. The bandwidth is then defined by the...
  10. M

    Why Does the Moon & Earth Have Different Relationships with the Sun?

    Why does the Moon keep the same face toward the Earth but the Earth not keep the same face toward the Sun?
  11. V

    Easily measurable non-linear physical relationships.

    I've been trying to think of a really good experiment in which the data gathered would be non-linear. The only ideas I've managed to come up with were either way to simple and boring, or way to hard for me to set up and measure accurately. Some examples of experiments include splash radius of a...
  12. P

    Relationships in an academic career - the 'when' question

    Hi, I am currently a Bachelor student in Physics, and I am planning to pursue an academic career. If everything works out as planned, I am going to obtain my Bachelor degree in the summer and my Master degree 2 years later. Sometimes, when I look ahead with this plan in mind, I wonder...
  13. jtbell

    Learn about relationships from an expert tonight

    Heads up... according to my TV's program guide, "The Big Bang Theory" is repeating "The Friendship Algorithm" tonight. That's the one where Sheldon comes up with a flowchart to guide him through cultivating a prospective colleague, and gets stuck in... oh well, see it for yourself if you haven't...
  14. P

    Why do people have relationships?

    Other than sex, children, and legal stuff(if married), of course.
  15. 2

    How often do relationships work this way?

    Okay, so like a child drawn to a camp fire, I am drawn to this all of a sudden. Earlier Math Is Hard mentioned Desmond Morris in some thread. So talking about Desmond Morris, Morris proposed 12 steps that western culture men/women go through from first contact to intimate relationships. He...
  16. P

    Graphing conves lense relationships to find focal lenght with slope

    Homework Statement I need to find the relationship between object-lens distance and image-lens distance for a lense(converging) but cannot graph the relationship in a way that the focal length is the slope for the graph Homework Equations 1/u + 1/v = 1/f where u= object lense distance...
  17. rootX

    Dealing with a Break Up: Is the Girl Immature or the Guy an Idiot?

    If long time friends get into a short term relationship and then break up. The girl finds a new boyfriend but trusts his ex more to discuss personal things including ones related to her relationship with current boyfriend (usual things where girls cry as they talk). Is the girl immature or guy...
  18. K

    Predicate Logic (family relationships problem)

    Homework Statement Formalize (in PL) the relations/predicates stated in (a)-(e) using just these relations/predicates: 1) Pxy: x is a parent of y 2) Fx: x is a female 3) Sxy: x is a sibling of y (a) x is an uncle of y (b) x is a great-aunt of y (c) x is an aunt (d) x is a great-uncle (e) x...
  19. E

    General loading, shear and moment relationships

    Hi everyone, I'm struggling to get my head around the convention of internal moments and shear forces of a loaded beam. I just can't seem to make any sense of why F is facing upwards and F+dF is facing downwards. It's driving me absolutely insane. Surely both of them will be facing upwards...
  20. I

    Density Relationships - Cant find any good sources.

    Im working on the conclusion for my lab report, and rather than plagiarize the work like most I know, I am trying to write it myself. I've spent probably between 30-40 hours on it so far, so don't think I am trying to cheat or get ahead here. But I need to describe relationships of density to...
  21. M

    Is Education a Factor in Choosing a Partner?

    ive noticed that education of guys who i want to date is the first thing that i usually notice about them. so how about you people? do you consider education of your partner as an factor or you are one of those people who even don't know whatever their partner is studying or what his work is .
  22. X

    Exploring a(t), v(t), and x(t) Relationships

    http://img40.imageshack.us/img40/8591/ques.png [/URL] a(t)=dv/dt v(t)=dx/dt I thought it was just v(t)= (alpha)t^2/2 + w x(t)=((alpha)t^2)/6 + wt + a But the answer is ((alpha)t^2)/6 + wt + a - 2w - 4(alpha)/3 Can someone please explain this to me...
  23. J

    Exponential relationships to logarithms and straight line graph?

    it is suspected that cells in a sample are dividing so that the number of cells present at anyone time t (measured in seconds) is growing exponentially according to the relationship y = 64 x 2^2t. it would be hard to check this relationship accurately by plotting measurements of y against t, so...
  24. J

    Model Relationship Durations: Analyzing Factors & Formulas

    According to the following link a relationship lasts on average 3-5 years. http://www.answerbag.com/q_view/996515 If we take this as fact I'm curious what kind of mathematical model might be well, suited to describe this. The simplest model would be of the form: Let C - be the people in a...
  25. rootX

    News How should nations handle diplomatic relations with enemies?

    http://news.bbc.co.uk/2/hi/americas/8080239.stm Does this implies that US (or any other nation) thinks that its diplomats should even talk (informally/formally) with their counterparts who are from enemy nation? This looks quite immature to me that if I find some differences with...
  26. Z

    Understanding Intensity and Energy Relationships

    This is a sentence in my textbook: " E=hf Do not be misled by this equation: This equation gives the energy per photon. It turns out that if we double the fequency, we also double the number of photons increasing the intensity by a factor of four as expected. " I do not understand this...
  27. F

    Understanding SQL Relationships and How to Define Them in SQL Server

    I'm trying to learn SQL, specifically for SQL server. One question I have is about defining relationships. I know how to build a relationship graphically (showing that the primary key from one table is the foreign key of another), but I'm not sure how to assert the relationship with an...
  28. lisab

    Dreaming of PF: Do Online Relationships Show Up in Your Dreams?

    Someone mentioned in a thread recently they they had a dream about something happening on PF. It got me wondering, is this common? Do you dream about PF? Do you dream about the relationships that you have online, the way you dream about person-to-person relationships? If so, what form...
  29. L

    Proving Vector Space Relationships in WU{A} and WU{B}

    Hi, I need help with this: Let V be a vector space (V may be infinite) and let W be a subspace of V, if "B" is a vector in V that doesn't belong to W, prove that if "A" is a vector in V such that "B" exists in the subspace WU{A} then "A" exists in the subspace WU{B}. I also have a...
  30. P

    Current and Voltage Relationships

    I am trying to find out about the relationship between current and voltage in: a) filament lamps b)semi-conductor diodes c) a metal conductor at constant temperature d) a solution of copper (II) sulphate using electrodes. I pretty much know the results I am supposed to get, but could...
  31. M

    Relationships between first and second derivatives

    Homework Statement Figure 4.46 shows the second derivative of h(x) for -2 \leq x \leq 1 a) Explain why h'(x) is never negative on this interval. b) Explain why h(x) has a global maximum at x=1 c) Sketch a possible graph of h(x) for this interval. I realize this is probably a fairly...
  32. M

    Relationships between first and second derivatives

    moved... moved to the calculus forum
  33. G

    When Interspecies Relationships Go Wrong

    http://www.funnyordie.com/videos/da06f4eb0e/kitten-still-loves-puppy-from-zackscott
  34. JasonRox

    Open Relationships: Exploring Thoughts & Perspectives

    Ok, I have to bring this up. I get questions about this almost all the time now. I'm in an open relationship (some of you may know). It's a difficult process, but it's definitely very fulfilling for me. So, I want to ask questions now. What are your first thoughts on open relationships...
  35. G

    Solving Mass-Acceleration Relationships for Objects Connected with Pulleys

    Homework Statement An object of mass m1 on a frictionless horizontal table is connected to an object of mass m2 through a very light pulley P1 and a light fixed pulley P2 as shown below. (a) If a1 and a2 are the accelerations of m1 and m2, respectively, what is the relation between these...
  36. D

    Mass Relationships In Chemical Reactions

    Homework Statement Styrene is a Hydrocarbon. If 0.438g of Styrene is burned in Oxygen and produces 1.481g of CO2 and 0.303g of H20, what is the empirical formula of styrene? Homework Equations The Attempt at a Solution No. of moles of CO2 - 1.481g / 44.0107g/mol = 0.0337mol No...
  37. D

    Gravitational Potential Energy and Work Relationships

    Homework Statement when doing work on something how does work relate to the gravitational potential energy that it acquires? Homework Equations The Attempt at a Solution
  38. P

    Length vs. Period: Comparing Linear & Quadratic Relationships

    I did a pendulum lab and determined that length affected the period. So the values got where: 10 cm = 6.47 s 15 cm = 7.895 s 20 cm = 8.94 s 25 cm = 9.89 s 30 cm = 10.5 s 35 cm = 11.905 s With these values, it seems like graphing this straight as it is results in a linear line, but I...
  39. Ivan Seeking

    Intimate Relationships with Artificial Partners

    http://www.breitbart.com/article.php?id=upiUPI-20071011-122541-6886&show_article=1
  40. P

    How Does Launch Angle Affect Slingshot Range and Velocity?

    First of all, I just want to take the time and thank anyone who helps me with this, it is greatly appreciated. Homework Statement We take a mounted slingshot where you can adjust the launch angle and pull the rubber band back to a set position that is the same everytime. We launched it...
  41. J

    Is Love Worth More Than Money? An Exploration of the Value of Relationships

    Money is a very powerful and quantitative tool to measure relationships. Here's my logic. Your loved one is sick and about to die. The doctor says, there is a medicine which would cost you $5, can save his/her life or extend the life for one more year. I'm sure most of us would buy the...
  42. H

    Visualizing Relationships with Venn Diagrams and Sets S, A, B, C

    Given S is set for all real number. A is set for all even number, B is set for all positive integer, C is set for odd number represent the relationship between the sets with Venn diagram. This question is seems easy. However, there is a problem that how can we illustrate the three sets in...
  43. R

    Probability of logic relationships

    After much thinking I am trying to get a help from the board. Sorry for being naïve and thank you in advance for your answers. Suppose you have to arrays made up of zeros and ones a=(1,1,0,1,0,0) b=(1,0,0,1,1,0) and a logic relationship to compare the elements of the two arrays in a...
  44. belliott4488

    Explaining SO(3) and U(2) Lie Group Relationships to Non-Experts

    What's the correct way to state the relationship between these two Lie groups? One is the "covering group" of the other, right? Okay, then - what's that mean, to a non-expert? I know the basics, i.e. SO(3) can be represented by rotation matrices in 3-space, and U(2) does the same in a...
  45. L

    The significance of orthogonal relationships

    what is the meaning of orthogonal relationships in addition to right angles in the xyz coordinate system? for instance, if a 3 piece rocket separated in space in an orthogonal way...will there be any significance when compared to the 3 piece rocket that does not separate in an orthogonal...
  46. L

    Relationships between thinking, logic and deductive reasoning

    Relationships between thinking, logic and deductive reasoning .. I have to admit that philosophy is normally not "my thing" and that the reason that I found this wonderfull forum was that I was searching for something about physics and technology. My idea was/is to collect some central...
  47. 4

    M+k=n: Examining Linear Equations Relationships

    Let b be the vector such that B = [A b] , and let a1, a2, a3 and a4 be the columns of A. Let m be the number of linearly independent columns of A, let k be the number of parameters (free variables), and let n be the total number of columns in A. In our example above, n = 4. Do you suppose...
  48. wolram

    Sad Decline of Neighbourly Relationships

    Years ago people knew each other in their street/road whatever, but now if some one new buys a house in your local, you may never meet/socialise with them, it is sad that people do not interact as they used to.
  49. I

    Persistence of Relationships in Inertial Frame R

    Homework Statement An inertial frame R in which the particles’ positions and velocities are related by A1= - m2 (A2) / m1 V1 = - m2(V2) / m1 at time t = 0. Show that these relationships persist at all subsequent times. Homework Equations The Attempt at a Solution...
  50. I

    Inertial Frame R: Persisting Relationships of Particles' Positions & Velocities

    Suppose that we choose an inertial frame R in which the particles’ positions and velocities are related by A1= - m2 (A2) / m1 V1 = - m2(V2) / m1 at time t = 0. Show that these relationships persist at all subsequent times.
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