What is Lost: Definition and 575 Discussions

"Lost!" is a song by the British rock band Coldplay. It was co-produced with Brian Eno and Markus Dravs for the band's fourth album, Viva la Vida or Death and All His Friends. The song was released on 10 November 2008 as the third official single from the album to generally positive critical reviews. A live version was released via download following a performance of the band and Jay-Z at the 2009 Grammy Awards, spurring high digital sales and giving "Lost!" a new peak at number 40 in the United States.
Several official versions of the song exist, including vocalist Chris Martin's separate recording with a piano accompaniment (known as "Lost?") which appears as a B-side for "Violet Hill", and a rap rock version that features Jay-Z (known as "Lost+") which appears on their 2008 EP Prospekt's March. The accompanying music video to the single features a live performance of the band in the United States. Coldplay launched a contest through their website, in which fans submitted self-made music videos. The winning entries were posted on the band's website.
The song was used in the 2010 film The Way, and was also included in NBA 2K14.

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  1. H

    Energy lost in a lightly damped osciallator

    Qn2 The amplitude of a lightly damped osciallator decreases by 3% during each cycle of oscillation. What fraction of the energy is lost in each cycle? Okay..i couldn't find anything about energy in the damped oscillation is my textbook.. but in SHM sections. it showed that Energy of...
  2. C

    Ruplusive Force or Lost Of Mass

    Not sure what forum this question belongs in... so I'll post it here. I understand the concept of gravity warping space but intuitively it's never sat well. But, hey, no one can be more a non-physicist as myself. So please permit me my ramblings so I can better understand where I must be...
  3. M

    I Just Lost the Game - How Many Play?

    How many of you play the game?
  4. H

    Iam really lost with this question

    Homework Statement A curling stone with mass 20.0 kg leaves the curler's hand at a speed of 0.885 m/s. It slides 31.5 down the rink before coming to rest. Find the Average force of friction acting on the stone. I have no clue as to what to do with this question. Can someone just guide...
  5. lisab

    Lost My Hiking Boots: Searching for a Silver Lining

    :frown: We're getting ready to go spend a couple days on Mt Rainier, and I can't find my hiking boots. This is terrible! They're my perfect-fit boots, nicely broken in but still in good shape. This is our first time out hiking this year...I don't even remember the last place I wore them...
  6. V

    Billions of Pounds in Lost Mathematicians

    http://news.bbc.co.uk/2/hi/uk_news/education/7431840.stm The article states the obvious, but now maybe things will start to change if people believe it's effecting the economy. From the article: "This has led to mathematics at university being compromised and able-students being...
  7. L

    Sun's Mass Loss: How Much Is Lost Annually?

    How much mass does the sun lose every year?
  8. T

    Detecting the existence of a sound that has been lost in thermal noise

    ultra sensitive microphone or technique for listening to inner ear A friend has very loud tinnitus. He says it is constantly louder than anything else he can hear. Nothing can be heard by an independant observer such as myself, but it is possible that a sound with a small power level is so...
  9. F

    Is there a way to retrieve a lost file in MS Word 2003?

    Hi everyone, I have the following problem. I saved a file and when I was going to open it, it didn't have the changes I made to it, it was a completely different file. Does anyone know what might have happened and if there's a way to retrieve it? I use Microsoft Word 2003 Thank you, John
  10. edward

    Lost Parrot Tells Veterinarian His address

    This was in Japan, if the bird was a U.S. citizen it could run for congress.:biggrin: http://www.foxnews.com/story/0,2933,356850,00.html
  11. C

    Completely Lost in this Physics Problem Sinusoidal transverse waves

    A sinusoidal wave is traveling on a string with speed 10.00 cm/s. The displacement of the particles of the string at x = 20 cm is found to vary with time according to the equation y = (5.0 cm) sin[16.0 - (8.0 s-1)t]. The linear density of the string is 7.0 g/cm. (a) What is the frequency of the...
  12. L

    Calculate the Current, Lost Volt and P.d across parallel resistors?

    Homework Statement http://img508.imageshack.us/img508/9121/10052008ei3.png (a) Calculate the Current across parallel resistors. (b) Calculate the lost volt across parallel resistors. (c) Calculate the potential difference across parallel resistors. Homework Equations I = \frac{V}{R}...
  13. R

    Energy lost due to dissipation by air drag

    Homework Statement An outfielder throws a baseball with an initial speed of 71.0 mi/h. Just before an infielder catches the ball at the same level, its speed is 85 ft/s. How much of the ball's mechanical energy is dissipated by air drag? (The weight of a baseball is 9 oz.) Answer is asked for...
  14. D

    Integral of (2x^2+3)^2: Solution

    integral (2x^2+3)^2dx=?
  15. N

    Mechanical Energy Lost In A One-dimensional Collision

    Homework Statement A 1200-kg car traveling initially with a speed of 25 m/s in an easterly direction crashes into the rear end of a 9000-kg truck moving in the same direction at 20 m/s. The velocity of the car right after the collision is 18 m/s to the east. (a) What is the velocity of...
  16. D

    How Do You Calculate the Force Constant of a Copper Wire Using Young's Modulus?

    Homework Statement Help I have spent a couple of days on this one and I am lost... What would the force constant be for a 75.0 cm length of 16-gauge (dia=1.291mm) copper wire? Y copper=11x10^10 Pa The answer being in Nm. The problem is I don’t even know where or how to approach this...
  17. M

    Angular velocity and energy lost due to friction

    Homework Statement the problem is: A 3.0 m diameter merry go round with rotational inertia 120kgm^2 is spinning freely at 0.50 rev/s. Four 25kg children sit suddenly on the edge of the merry go round. a) Find th new angular speed, and b) detrmine the total energy lost to friction between the...
  18. I

    Lost: Imaginary term in weak lagrangian

    Homework Statement I'm working on the last section of the last chapter (11.9 The Higgs Mechanism) of Griffith's book on Elementary Particles. In Problem 11.25 I'm asked to derive the lagrangian that he gets juts after gauging [Eq. 11.131]. That's the one with a Goldstone boson and a strange...
  19. F

    Help! Urgent: Conservation of Energy Review Questions

    These were review problems for the test I have tomorrow. My teacher was not present the day these were given, so I could not ask him for help. The answers were given for these problems, but in terms of getting to these answers, I am totally lost. Can someone please explain to me how to...
  20. D

    How Much Energy Is Lost to Friction in a Spool of Wire System?

    Homework Statement A spool of thin wire (with inner radius r = 0.40 m, outer radius R = 0.55 m, and moment of inertia I_cm = 0.7139 kg*m^2) pivots on a shaft. The wire is pulled down by a mass M = 1.350 kg. After falling a distance D = 0.550 m, starting from rest, the mass has a speed of v =...
  21. C

    Transportation of Charges and Energy Lost

    Homework Statement http://img525.imageshack.us/img525/2069/spheressw9.jpg At the initial picture, we have two spheres, such that, the first one has charge Q, and the second one has no charge. Then we connect these two spheres with a conducting wire and let some Q flow through the...
  22. T

    Solving for Kinetic Energy Lost in Spring Gun

    Homework Statement A ball of mass m = 56 g is shot with speed vi = 20 m/s (in the negative direction of an x axis) into the barrel of a spring gun of mass M = 222 g initially at rest on a frictionless surface. The ball sticks in the barrel at the point of maximum compression of the spring...
  23. B

    Any 'Lost' fans on PhysicsForums?

    Any 'Lost' fans on PhysicsForums? Any 'Lost' haters? Prediction on the plot for the fourth season? here a http://www.youtube.com/watch?v=0ou7cWOTXJs"
  24. S

    Big Brain Theory: Have Cosmologists Lost Theirs?

    Wtf do these guys want? http://www.nytimes.com/2008/01/15/science/15brain.html?_r=2&8dpc&oref=slogin&oref=slogin
  25. S

    The Effects of Gravitomagnetism on Surrounding Particles

    I haven't thought of physics since I was in college about 10 years ago (I am a biologist today). For some reason, however, last night when I was lying in bed I started thinking about general relativity. My mind settled on a question that caused me to loose several hours of sleep, and I don't...
  26. Holocene

    Advise appreciated: Somewhat lost in life.

    Here's the quick story... I'm 23, and went to work full-time after graduating high-school. (Mistake, I know). Part of me thought of becoming a pilot, and in fact I did at least earn my private certificate this past summer. But, the way flying is, it's a long road financially, and once you...
  27. J

    Help! 18yo Lost in Canada | Math & Science Passion

    I'm currently 18 years old..19 febuary. I graduated from high school last year, and I'm currently just working and trying to sort out my life. I'm living in Alberta, Canada...but I was born and lived in the US for the first 10 years of my life. My parents were born in Canada so I am a dual...
  28. T

    Energy lost in conversion of steam to ice

    Homework Statement How many J of energy must be removed when 145.0 g of steam, at a temperature of 188.0°C, is cooled and frozen into 145.0 g of ice at 0°C? Take the specific heat of steam to be 2.1 kJ/(kg·K). Homework Equations Q=m*L The Attempt at a Solution Energy =...
  29. C

    Very lost with l'Hospital's rule

    Homework Statement Evaluate lim x\rightarrow infinity of (\frac{x}{x+1})^{}x, state explicitly the type of the indeterminate form. Homework Equations The Attempt at a Solution I somewhat understand how to use l'Hospital's rule when the form is 0/0, but the inf/inf throws me off...
  30. F

    Im so lost in Statics HELP

    Im so lost in Statics :( :( HELP! first of all i need to say that i do not go to a school that is known for its sciences. this of course means that we have crappy science teachers because our budget is very low. my teacher is horrible at explaining the material and whenever i ask him a...
  31. P

    Calculating energy lost in collisions?

    My notes don't provide an equation. I am given inital and final velocity Vi=50 m/s Vf=25 m/s Thanks.
  32. rocomath

    I lost my calculaor Please calculate this for me

    I lost my calculaor :( Plz calculate this for me! \alpha=53.0^{o} g=9.81\frac{m}{s^{2}} x=40.0m y=- 15.0m v_{0}=\frac{x}{cos{\alpha}}\sqrt{\frac{g}{x\tan{\alpha}-y}} thanks!
  33. wolram

    Where Did My Boots Go? The Mystery of Disappearing Footwear

    Some call them boots, they are the pull on type that come above the ankle, these ones were my most comfortable ones i could wear them all day, they must be 10 yrs old and still looked as good as new, well no more because they have gone vanished, i know i am a bit nutty, but to loose my boots is...
  34. F

    - Numerical Derivative, Normalization, lost here

    Ok, I'm trying to recreate some results from a paper, and I am really lacking in understanding. I'm getting extremely frustrated. I'll try to create a similar problem that replicates the original problem. The original problem, is three coupled non-linear differential equations that must be...
  35. N

    Mastering Integrals: Solving a Tricky ln(x) Integral Problem

    I have an integral I want to work out that should be a simple one but I just can't see where to start with it. Any help would be appreciated. \int\frac{lnx}{x-8xln^2x}
  36. G

    How much power is lost in heating the wires of a power line

    A generating station is producing 1.4e6 W of power that is to be sent to a small town located 7.0 km away. Each of the two wires that comprise the transmission line has a resistance per kilometer of length of 5.0e-2 \Omega/km. (a) Find the power lost in heating the wires if the power is...
  37. K

    Mastering Integration: Strategies for Solving Tricky Equations

    integration--im lost Homework Statement how do you integrate this one \int sint cosnt dti tried using this identity 1/2 [sin(t-nt) + sin (t-nt)] then i got stuck so i used another identity again sin (t^{+}_{-}nt )= sintcosnt^{+}_{-}costsinnt the result is the original equation.. to sum it...
  38. M

    Why Don't Space Shuttles Get Lost in Space?

    If the universe as a whole is moving at great speeds and spaces is a mostly vacant vacuum why aren't space shuttles lost when they brake free of gravity?
  39. M

    Alloy Lab Report: Solving Equations to Estimate Element Percentages in an Alloy

    First, here is the question: The percentage of two elements making up an alloy can be estimated from the following equations, which assume a simple mixing of the two components: Palloy=F1P1+F2P2 F1+F2=1 Here, F1 is the fraction of the alloy composed of element 1, and F2 is the fraction...
  40. A

    How Do You Calculate Resultant Displacement in Vector Problems?

    i do not have a protractor with me and am very new to physics at the college level and have not gotten the book yet do to my student loans not bein processed and released at this time... PLEASE HELP the question on my homework i am having trouble with is as follows go 83.9 paces at 188...
  41. C

    Real Physics (and my last post) is lost

    Hi. Two days ago I posted two very, very interesting PDF documents on standard model, big-bang and current state of science: [crackpot link deleted] I can't find the post now in this forum, no "moved" parameter... nothing. It just seems to be deleted. I saw it posted the other day, and more...
  42. Mk

    Remembering a Poem: Searching for Lost Lines of Black Daffodils

    A famous poet wrote a poem that I want to remember and read right now, but I can't :frown: I remember one line ends in "black daffodils." It might have been Walt Whitman, or somebody. Are there any suggestions to what I might be thinking about?
  43. D

    If I lost 50lbs how much higher could I jump?

    I'm 230lbs and I jump about 36 inches, if I were to lose 50lbs and get down to 180lbs and let's assume I don't lose any strength in my legs.. how would I calculate how much higher I would be able to jump. I wrote some stuff down and I got the jump would increase by the same percentage of %...
  44. Andre

    The impossible lost city Mega .

    the impossible lost city "Mega". We have been there several times: https://www.physicsforums.com/showthread.php?t=6347 https://www.physicsforums.com/showthread.php?t=38797 https://www.physicsforums.com/showthread.php?t=86402 I have said on several occasions that something unexplanable...
  45. C

    Basic log question, completely lost

    Basic log question, completely lost! :( Homework Statement Prove that y = a(1+b)^t is equivalent to ln y = a+bt Homework Equations The Attempt at a Solution i'm really confused with how they could possibly be equal. y = a(1+b)^t t = ln y/ln a(1+b) ln y = t x ln (a+b) ln y...
  46. L

    What are the properties of curves with equations y=(4/x)+2 and y=ax^2+bx+c?

    Homework Statement curves with equation y=(4/x)+2 and y=ax^2+bx+c have the following properties: a) there is a common point at x=2 b)the is a common tangent line at x=2 c)both curves pass through point (1,6) thanks for help.
  47. F

    Probability - I am so lost here

    Question: Long-distance calling plan A offers a flat rate service at 10 cents per minute. Calling plan B charges 99 cents for every call under 20 minutes; for calls over 20 minutes, the charge is 99 cents for the first 20 minutes plus 10 cents for every additional minute. (Note that these plans...
  48. L

    I'm lost on this one, i think its a torque question.

    Hello, I'm working on an assignment for class and I am lost on this question. problem A 5.0m ladder is with a mass of 10.0kg is leaning against a smooth wall at an angle of 25 degrees. The coefficient of friction between the ladder and the ground is .30. How far can a 65kg woman climb up the...
  49. Astronuc

    Tribute to those lost at Va Tech.

    Remembering Virginia Tech's Shooting Victims http://www.npr.org/templates/story/story.php?storyId=9618673 Ross Alameddine Sophomore, English Major Age: 20 Christopher James Bishop German Instructor Age: 35 Brian Bluhm Graduate student working toward a master's degree in water...
  50. G

    Perfectly inelastic collision - conceptual - where does the lost KE go?

    Homework Statement This is a conceptual question for a lab. In the lab we used two gliders on a nearly frictionless airtrack on a level surface, with photogates set up to measure the velocities of the two gliders before and after the collisions. The second glider was initially stationary...
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