Depression Definition and 121 Threads

  1. H

    Mechanics behind capillary depression.

    As the question states I have hard time understanding that how does a liquid reach equilibrium in case of capillary depression (mercury for example ). I know how it goes down but not how it 'stops'. like in case of liquids which have more force of adhesion ,as the liquid goes up because of...
  2. S

    Difference between Capillary Rise and Capillary Depression

    As the title states, can anyone help me understand what the difference between the two is? I've been trying to look everywhere but nothing really explains why they're different. I just thought it would be the same. This is based on the capillary rise method for surface tension.
  3. B

    Freezing point depression in terms of intermolecular forces

    Sorry if this is an obvious question...I understand how the justification via the pressure v temp graph works, but I'm not quite understanding freezing point depression in terms of intermolecular forces and temperature. I was taught that due to attractive IMF between solute and solvent particles...
  4. T

    Testing Engineering, Depression, Final Exams and Intellect

    I just finished the last final exam of my engineering undergrad and I know I did terribly bad. I am worried that I might fail the course and have to come back another year to gain credit in that one single course in order to graduate. If that happens, my parents will kill me. They are already...
  5. L

    Freezing point depression constant value clarification.

    Hi all, I just need a little clarification here, please. I'm a tutor and I've been helping a student with their freezing point depression lab and the student has to determine the molar mass of an unknown solute from the experimental data provided. I understand the process and have been...
  6. J

    Colligative Properties, Freezing Point Depression - Chemistry Lab

    Colligative Properties, Freezing Point Depression -- Chemistry Lab Homework Statement In an attempt to hurry the experiment along a student did not completely dissolve the unknown nonelectrolyte. Will the freezing point depression of the solution be larger, unaffected, or smaller compared to...
  7. A

    Programs Is an engineering degree worth going into depression for?

    Hello, I am a Junior, majoring in mechanical Engineering. My current GPA is a 2.75 (2.6 major). At the end of my sophomore year i started feeling tired and sad all the time, but i ignored it because i thought i was just gettin tired because it was the end of the year. Last summer i had an...
  8. G

    A Cosine Law question involving angle of depression

    Smart people help! Trignometric question. Homework Statement A pedestrian bridge is build over a river. The angle of depression from one end of the bridge to a large rock beside the river is 37°. The distance from that end of the bridge (ptA) to the rock is 112m while the distance from the...
  9. S

    Medical Clinical depression in a US president

    When former US president Calvin Coolidge died in 1933, columnist Dorothea Dix asked, "How can they tell?" Coolidge was widely viewed as having "slept" through most of his presidency (1923-29). It is now generally recognized that Coolidge suffered from clinical depression which dated from the...
  10. B

    Find depression in wire with hanging mass

    Hello: I have the following: Homework Statement A wire of unstretched length l is extended by a distance (1/1000)l when a mass M is hung from its bottom end. If this same wire is connected between points A and B that are at a distance l from each other on the same horizontal level, and...
  11. wolram

    How Does Support Impact Recovery from Depression and Anxiety?

    For all who gave support and understanding, i guess a few of you know what depression and anxiety is like, its worse than a cold for sure, but the main aid to a cure is support, all though not cured i feel a heck of a lot better when i can drive the bad thoughts away with the good ones some of...
  12. L

    How do you cure summer depression?

    How do you cure it?? Maybe I am overworking myself, but I feel sort of drained out. I go to school at 7:00 AM and return home at 10:00 PM after summer school and research. I mean, I enjoy research, but I cannot help but feel tired during the day because I haven't eaten a proper meal all day...
  13. E

    How Does Freezing Point Depression Affect Molecular Mass Calculations?

    if i have some of my unknown sample which remains unmelted and undissolved on the walls of the test tube, will this error cause the calculated molecular mass to be too high or too low? i've thought about this and my guess is that the molecular mass would be too high because the colligative...
  14. S

    News A thought about the great depression

    So I was sitting in class the other day and a certain statistic caught my attention, 6,000 banks closed during the great depression, along with it went thousands of factories, businesses, farms and corporations. Now, looking at the economic rule that price fluctuation wipes out small...
  15. E

    Dark Winter Depression: A Contradiction of Survival?

    I'll have these strange stages during the dark winter season. One day i'll feel great, seeing beauty in everything, feeling ambitious, setting goals, etc... The next day i'll feel absolute pointlessness. Nothing will seem worth living for. I'll feel alone. My motivation will be rock bottom...
  16. Q

    Can you calculate the speed of a man jumping onto a spring-loaded platform?

    Ok I was wondering if someone could help me with this problem I'm not sure how to set uo the problem in order to solve it using kinetic and potential energy. Thank you here's the question. An 80.0-kg man jumps from a height of 2.50 m onto a platform mounted on springs. As the springs...
  17. S

    Can Depression Make You Feel Worthless?

    Did you experience depresion? Yes I did, and I do. I failed most of the courses, I can't work any more, I can't concentrate, I can't like life. I just love life for small irregular peiods and I hate myself. I hate most of the people. I want to kill myself. When you see that I am not...
  18. Simfish

    Can I self-diagnose depression or do I need to see a doctor?

    If I'm depressed for 2-3 hours each day, for the past several weeks, then could I be diagnosed with depression? Or would I need to be depressed for the whole day? WHen I'm not depressed, I'm not in a state of mania, so that rules out bi-polar disorder. I could just be slightly happy, or not...
  19. L

    Debate & Discussion: Does Intelligence = Depression?

    There was a thread recently on the Overclockers Australia Forums concerning this topic. I personally identified with a lot of the comments and I thought I would post some of the more interesting ones here so that we could continue the discussion on PF. The whole thread can be found here if you...
  20. N

    Inertia, Apathy, Boredom, Depression

    Has anyone experienced a time of apathy and intertia in which you are fully aware of all that needs to be done and yet don't do it? Has it ever come after a period of intense work and passionate commitment to a project, work, a person? I ask because I am at the end of a seven-month period of...
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