Check my work Definition and 202 Threads

"Check on It" is a song recorded by American singer Beyoncé, featuring American rappers Bun B and Slim Thug. It was composed by Beyoncé, Swizz Beatz, Sean Garrett, Angela Beyincé, and Slim Thug. Initially recorded by Beyoncé only, the song was supposed to be featured on the soundtrack for 2006 film The Pink Panther, in which she co-stars as Xania. As it was ultimately not included on its soundtrack album, the song with additional vocals from Slim Thug was placed on the 2005 Destiny's Child's greatest hits album #1's. Columbia Records released "Check on It" in the United States on December 13, 2005. The official single version of the song includes vocals from American rapper Bun B.
The song's development was motivated by the phrase "Check on It" which Beyoncé and her management jokingly used before they decided to turn it into a song. "Check on It" is an R&B and hip hop song, which is instrumentally complete with a heavy bassline, strings, and wind instrument. Lyrically, it takes place in a club, where Beyoncé is letting the male patrons know that they are welcome to come and look at her body when she is dancing. The song consists of two verse-raps by Slim Thug. "Check on It" was well received by contemporary music critics, who universally complimented Beyoncé's vocals, and the assertiveness with which she sings her lines.
"Check on It" was not originally intended as a single from the album #1's. However, it received heavy rotation on US radio stations, following the release of the first single, "Stand Up for Love" (2005), which performed poorly on the charts. Eventually, "Check on It" debuted on the US Billboard Hot 100 in November 2005, before its official release date. The single peaked at number one for five consecutive weeks, becoming one of the two longest-running number-one single in 2006, and Beyoncé's third US number-one single as a solo artist. "Check on It" reached number one in New Zealand and the top ten on various singles chart in mainland Europe.
The music video for the song was directed by Hype Williams, and premiered on December 16, 2005 on MTV. The version of "Check on It" used in the clip features a remix of "The Pink Panther Theme" and a verse-rap from American rapper Bun B. Incorporating 1950s influences, the video was shot in pink to brand the relationship with The Pink Panther. It won the Best R&B Video at the 2006 MTV Video Music Awards, and was nominated for Video of the Year at the 2006 BET Awards. Although Beyoncé did not perform "Check on It" in any televised appearances, it was a part of her set list on The Beyoncé Experience (2007) and the I Am... World Tour (2009–10).

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  1. T

    Work,Energy And Power, Please Check My Work

    Homework Statement Homework Equations The Attempt at a Solution 5.1) fg// = mgSin(theta) = 30437.12 N 5.2) Ek = 1/2*m*v^2 = 1/2*(1.2*10^4)*36^2 = 7776000 J 5.3) Wnet = Ek 7776000 = 30437.12*delta x delta x =...
  2. S

    MHB Is My Product of Sums Equation and NOR Gate Schematic Correct?

    Just need someone to check my work. Couldn't find the problem via Google. $f$(W,X,Y,Z) M (0,1,2,7,12,15) + d(3,13). 1)Find the minimum Product of Sums equation using a K-Map. 2)Draw a schematic of a minimized circuit implementing the logic using NOR gates. 1) My Answer: (\bar{w} +...
  3. PsychonautQQ

    Gravitation Problem (Please check my work)

    Homework Statement Two asteroids are traveling side by side, touching each other. They are both spherical and are made of pure iron. What must their diameters be in feet to exert a force of 3 lb's onto each other?Homework Equations V = 4/3*∏*r^3 density of Iron = 7.63*10^3 1 lb = 4.448N 1 foot...
  4. I

    Please check my work (friction on an incline plane)

    two blocks of unequal mass are connected by a string over a smooth pulley. one mass of mass 2m rests on the incline while the second mass of mass m is hung over a pulley over the incline if the coefficient of friction is μk, what angle of the incline allows the masses to move at a constant...
  5. T

    Solving Kinematics and Conservation of Energy Problems | Physics Homework

    Homework Statement Homework Equations The Attempt at a Solution Question 1 1.1) 5 m.s 1.2) Acceleration 1.3) 10 m.s^-2 1.4) Displacement equals area under graph = 1/2*b*h = 1/2*2*10 = 10 m 1.5) vf = vi+at 0 = 10 + 10t t = 1's + 2's = 3's 1.6) 1/2*1*10...
  6. C

    Will someone check my work to see if Im on the right track?

    This is collisions and momentum problem. for some reason it just seems like a short problem and I am use to doing long problems so I am here to check my work. the questions is A 50g bullet is fired vertically up at a 1.00 kg ballistic pendulum . The bullet strikes the block at 1000 m/s...
  7. M

    Modular Arithmetic (someone check my work please)

    Homework Statement For every x in Z and for every natural number n if: x^{2}\equiv1(mod47)\Rightarrow x^{n}\equiv1(mod47)orx^{n}\equiv46(mod47) The Attempt at a Solution Alright I said since 47 is prime and relatively prime with x then by fermat's little theorem we will get...
  8. N

    Check my work please? Circuit analysis, resistors in parallel, help

    Can someone check my work for me please? I'm pretty sure i made a mistake with the sign convention but I'm not sure which sources are supposed to be negative. help! Problem: http://imageshack.us/a/img201/339/circuitzz.png My solution: http://imageshack.us/a/img191/8049/circuitz.png...
  9. L

    Integral of (x^2)(sqrt(x^3 + 1))dx. Please check my work? Thank you

    ∫x^2(√(x^3 + 1)) u = x^3 + 1 du = 3x^2dx (1/3)du = x^2dx ∫√(u)*(1/3)du = 2/3(u)^3/2 *(1/3) = 2/9(x^3 + 1)^3/2 Is this the correct answer? Thank you.
  10. L

    Express e^x from 1 to 8 as a Riemann Sum. Please, check my work?

    Express e^x from 1 to 8 as a Riemann Sum. Please, check my work? :) 1. Express ∫1 to 8 of e^xdx as a limit of a Riemann Sum. (Please ignore the __ behind the n's. The format is not kept without it...) _____n 2. lim Ʃ f(xi)(Δx)dx x→∞ i=1 Δx= (b-a)/n = 8-1/n = 7/n xi= 1 + 7i/n ____n lim Ʃ...
  11. R

    Charged Sphere with a Hole - Check my work?

    Charged Sphere with a Hole -- Check my work? Homework Statement You have a spherical shell of radius a and charge Q. Your sphere is uniformly charged except for the region where θ<= 1° (which has σ = 0). Imagine that your fi eld point is somewhere on the positive z-axis (so z could be...
  12. K

    Tuning Fork and a Tube of Water - Check My Work

    Hi everyone, just me doing my regular Thursday Physics homework and looking for someone to check my work. Homework Statement A tuning fork with a frequency of f=528Hz is placed near the top of a tube. The water level is lowered so that the length L slowly increases from an initial value of...
  13. L

    Forces necessary to hold a board steady (double check my work?)

    This is the problem: http://oi47.tinypic.com/6qij4o.jpg I set fx, fy, and B equal to zero. 'x' forces: Fx - Bsin(30) = 0 'y' forces: Fy - mg + B(cos(30)) = 0 lower end: -0.5*mg(cos(30)) + 0.4*B = 0 Using the third equation I solved for B, and got -477.4. I then plugged B into the...
  14. C

    Check my work please: Jupiter as power station?

    I'm developing a realistic sci-fi story in which power for the outer planets is produced from Jupiter's magnetic field. Now from Faraday's law I have V= N * A * (2*∏*RPM/60) B where N is the number of coils, A is the area of each coil, RPM is, well, RPM, and B is the field strength. I've...
  15. T

    Work & Final Temperature in Piston Cylinder (Check my work)

    If someone or a few people, just look this over and tell me if I'm right or if I did something wrong I'd be so grateful. I think it's all there but I'm not sure, there might be something off. Homework Statement Air (which behaves like an ideal gas) undergoes adiabatic expansion in piston...
  16. H

    Calculating Average Force for a 1,662 kg Car in 19 secs

    A 1,662 kg car goes from 14 m/s to 29 m/s in 19 secs. What is the average force acting upon it? Write your answer to two decimal places. Attempt: Mass = m = 1,662 kg Initial Velocity = Vi = 14 m/s Final Velocity = Vf = 29 m/s Time = t = 19 secs Acceleration = a = Δvelocity/time =...
  17. S

    Returning to College After 12 Years: Can You Help Solve This Physics Problem?

    Homework Statement Given v0= 0 m/s, xo=0 m and t= 10s, use the equation below together to find Xf Homework Equations x=xo+vot+(1/2)at^2 vf^2=vo^2+2a(xf-xi) The Attempt at a Solution vf=at xf-1/2at^2 vf=2axf so then, plug in t=10 and vf=10a xf=50a ... I don't know...
  18. V

    Physics Kinematics Question (Check my work?)

    Physics Kinematics Question! :) (Check my work?) Homework Statement A ball is thrown vertically up from a window that is 3.6 meters above the ground. The ball's initial velocity is 2.8 m/s up. What is the ball's velocity when it hits the ground? How long after the first ball should a second...
  19. A

    Harmonic sum and a stack of blocks (check my work)

    Homework Statement Let S_n = 1 + (1/2) + (1/3) + (1/4) + ... + (1/n) a) What value of n is required such that S_n > 100? b) Show how one can form a stack of identical blocks (one per row), each 1 ft long, so as to form a "wing" (I don't know what the correct word in English is, but I...
  20. M

    Can someone check my work? (Finding a common divisor T)

    Homework Statement Look at my work in the picture. Homework Equations The Attempt at a Solution I did a different method and I got 3 and 1 and still 1 is the only T that satisfies.
  21. S

    Check Your Work: Get Accurate Results for Limit Problems | Homework Help

    Homework Statement Hey I just need someone to check my work to make sure I did it right, thanks.
  22. N

    Can someone check my work please, thank you.

    Can someone check my work please, thank you. :) Homework Statement A hockey player of mass 85 kg traveling at 15 m/s [N] collides with another hockey player of mass 70 kg at 5.0 m/s [E]. If the two hockey players lock skates during the collision and are held together, find the resultant...
  23. D

    Matrice Multiplication, can someone check my work?

    Homework Statement Its a 3x2 multiplying a 2x2. (3 down 2 across, 3x2) I was gone for the day that my teacher explained it to us, and I am not sure how to do it. I tried, but I want to be sure. Homework Equations 5 2 0 -4 _X_ 3 7 1 6 ___ -2 0The Attempt at a Solution The answer I got was...
  24. A

    Electric potential question (check my work)

    Homework Statement A beam of electrons with energy 1.20 keV (per electron) is directed towards a solid copper sphere of radius 1.25cm. a) Determine the velocity of the electrons in the beam. b) The beam continues to send electrons into the sphere until it is charged up enough to repel the...
  25. P

    Statics - Mechanics of Materials, check my work please?

    Could someone please check this for me? I attached a rough free body diagram of the whole frame. Any help is appreciated. Homework Statement The member ACF of the frame loaded as shown is connected to member BCD by means of a smooth peg and slot C with force P = 930 N at point D...
  26. S

    Please, check my work on Trig Identities

    Please, check my work. Homework Statement a) Show that sqrt{[1+tan^2x]/[1+cot^2x]}=tanx b) Show that [cosx+sinx]/[cosx-sinx]=1+[2tanx]/[1- tanx] c)Show that cotxcosx+tanxsinx=(cosecx+ secx)(1-sinxcosx) d) Show that cosec^2x-cosecx=cot^2x/[1+sinx] e) Show that sin^3x-cos^3x=...
  27. B

    Exponential Distribution: Calculating the Half-Life & Survival Rate of a Rock"

    A piece of rock contains 10^20 atoms of a particular substance. Each atom has an expoentially distributed lifetime with a half-life of one century. How many centurites must pass before there is about a 50% chance that at least one atom remains. What assumptions are you making? answer...
  28. B

    Please check my work: Probability Theory

    Let K be a standard normal random variable. Find the densities of each of the following random variables: X= |K| Y = K2 I get: fX(x) = √(2/π) e-x2/2 and fY(y) = 1/√(2*π) 1/√y e-y2/2
  29. N

    Can some one check my work? Related Rates

    The problem is: For the baseball diamond in exercise 33, suppose the player is running from first to second at a speed of 28 feet per second. Find the rate at which the distance from home plate is changing when the player is 30 feet from second base. (the picture basically shows a square with 90...
  30. P

    Equipotential, can someone check my work?

    A solid sphere of +20C with radius a=1m. A conducting spherical shell of -30C with radius b=2m and c=3m is concentric with the solid sphere. 1. Find the inner and outer surface charge of the conducting spherical shell. My attempt: I just eyeballed it and said -20C is on the inner shell...
  31. M

    Sound Waves and Interference Problem - Check My Work?

    Okay, I have this problem worked out, but I have no clue if my answers are right. Could someone please check my work and give me some confidence or show me where I may have messed up. Homework Statement Two loudspeakers, one of them generates sound with 400 W power the other with 100 W. The...
  32. C

    Rayleigh criterion and circular apertures- check my work?

    Rayleigh criterion and circular apertures-- check my work? Homework Statement Think of the pupil of your eye as a circular aperture 5.00 mm in diameter. Assume you are viewing light of wavelength 550 nm, to which your eyes are maximally sensitive. a) What is the minimum angular separation...
  33. T

    Can someone check my work on this volume bounded by curves problem?

    Homework Statement Hello everyone, I was wondering if someone could check my work on this problem as I'm not sure it's right. I'm in Calc II right now and we are doing finding volume bounded by curves rotated around an axis. So, here is the problem, y=cos(pix)+1, y=4x^(2)-9, x=0; about...
  34. C

    Sound Intensity- just need someone to check my work

    Sound Intensity-- just need someone to check my work :) Homework Statement While enjoyable, rock concerts can damage people's hearing. In the front row at a rock concert, 5m from the speaker system, the sound intensity is 145 dB. How far back would you have to sit for the sound intensity...
  35. N

    Chemistry: Naming compounds. Need someone to double check my work please.

    Homework Statement Hi. I only have one more submission left in my homework. Can someone please check this problem real quick for me? DIRECTIONS: Write the formula for each of the following compounds. (Type your answer using the format Al(HSO4)3 for Al(HSO4)3.) PROBLEM: Ammonium Acetate MY...
  36. N

    Can someone double check my work in this problem?

    Homework Statement Okay, I think these are simple, but just so I know that I am on the right track, can you double check my work? My questions and answers are in bold. Factor these completely: 1. 2e^3x - 5xe^3x 2. 4lnx -3ylnx 3. The Attempt at a Solution 1. I took out the...
  37. D

    Maximizing Power Transfer in Circuits: Seeking Help with Homework Statement

    Homework Statement I'm looking for the maximum power transferred to resistor R. I know how to approach the problem, but not getting the right answer and was wondering if someone could just look over my work. http://img854.imageshack.us/img854/1412/screenshot20110604at115.png Homework...
  38. QuarkCharmer

    Proving the Trig Identity: (d/dx)(tan(x)/sec^2(x)) = cos(2x) | Homework Help

    Homework Statement Prove that: \frac{d}{dx} \frac{tan(x)}{sec^2(x)} = cos(2x) Homework Equations The Attempt at a Solution \frac{d}{dx} \frac{tan(x)}{sec^2(x)} = cos(2x) \frac{d}{dx} \frac{tan(x)}{sec^2(x)} = \frac{sec^2(x)(sec^2(x))-(tan(x)(2sec^2(x)tan^2(x)))}{(sec^2(x))^2}=...
  39. M

    Can someone check my work on an induction proof

    Homework Statement using mathematical induction, show that d^n/dx^n(lnx)= (-1)^(n-1)*((n-1)!/x^n) Homework Equations The Attempt at a Solution basis step: for n=1 we get d/dx(lnx)=(-1)^0*((0)!/x^1) which gives d/dx(lnx)=1/x inductive step: assuming it holds for all n...
  40. C

    Electromagnetism qs need someone to check my work

    Homework Statement An electron is accelerated horizontally from rest in a television picture tube by a potential difference of 10,000 V. It then passes between two horizontal plates 5.0 cm long and 1.0 cm apart which have a potential difference of 200 V. At what angle θ will the electron be...
  41. R

    Calculating Maximum Height and Final Velocity: 2 Energy Problems on a Slope

    Homework Statement A 50g ice cube has no friction. It compresses a string with the constant 25 N*m a total of 10 cm. Find the max height reached by the ice cube before it starts sliding back down the slope, after it is released from the spring. Known: m = 50g (.05kg) k = 25 Nm x =...
  42. D

    Please check my work (ice melting in cup) thanks

    Homework Statement You have 0.9 L of water in an insulated (thermally isolated) cup at 20 ºC. You add 360 g of ice at −20 ºC in the cup to cool the water. Describe the final state of your system in terms of (i) number of moles of ice (ii) number of moles of water and (iii) the final...
  43. D

    Please check my work energy required to raise temp by 10degthanks

    Homework Statement You want to heat 1 L of water by 10 ºC, and so you heat it with a mechanical egg beater that is powered by a 1 kg mass on a rope over a pulley. How far does the mass have to descend to supply enough work for heating the water? Homework Equations |work| = mg(x_f - x_0)...
  44. A

    Proving Equalities: Check My Work

    Homework Statement I posted an inequality proof question a little while ago and got some really great feedback. Here's a couple more that are similar to it that I've been working on. I'm still uncertain as to what makes an acceptable proof and what dosen't, so please let me know if I'm on the...
  45. A

    Inequality Proof: 1 < (1+ab)/(a+b) for a, b > 1 | Check My Work"

    Homework Statement Prove that if a,b > 1, then a+b < 1+ab The Attempt at a Solution Just want to know if this makes sense: first let a+b < 1+ab become 1<(1+ab)/(a+b) ==> 0<(1+ab-(a+b))/(a+b). Factoring the numerator: 0<(1-a+ab-b)/(a+b) ==> 0<(1-b)+a(b-1)/(a+b) So the next...
  46. D

    Rayleigh's critereon problem please check my work

    Homework Statement a telescope has a diameter of 8m. A double star 6000 light years away is viewed. what must be the min distance apart (in ly) of the two stars for their images to be distinguished if light of wavelength 500nm is used? Homework Equations theta = 1.22 (lamda/D) D =...
  47. H

    Can someone check my work for this joint denisty function problem

    Homework Statement X and Y have uniform joint density function: f(x,y)= d (constant) for 0<x<1 and 0<y<1-x 1. find d 2. find p(y<x) 3. find cov (x,y)The Attempt at a Solution 1. For this I first graphed x=1 and y=1 and created a square since x can go from 0 to a maximum of 1 and y also. I...
  48. J

    Proving Divergence of (1+1)/(1+2) + (1+2)/(1+4) + ... + (1+n)/(1+2n) Series

    Homework Statement Explain why the series (1+1)/(1+2) + (1+2)/(1+4) + ... + (1+n)/(1+2n) + ... is divergent. Homework Equations For a series to ∑un to be convergent, it is necessary that lim n-->∞ un = 0. The Attempt at a Solution As you may have guessed, I'm going to show...
  49. M

    Two Balls Colliding. Check my work please

    [PLAIN]http://img178.imageshack.us/img178/4781/345b.jpg So I said v=v0-gt, and at the highest point, v=0, so t=v0/g. I also said uy=u0sinx-gt, and ux=u0cosx. So at t=v0/g, both balls have to be at their highest pint, and when uy=0, t=u0sinx/g...so equating the two times, I find...
  50. J

    Basic Differential Equation Can you check my work?

    Homework Statement state the order and linearity of the diff eq[/SIZE] (d^2u/dr^2)+(du/dr)+(u)=cos(r+u) 1)the order is the second order. since the highest derivative is 2 2) the term cos(r+u) is not linear therefore this equation is not linear. is my reasoning for 2) right since the...
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