Contest Definition and 467 Threads

This is the 2nd group in this contest. Please vote for the photo that best represents our theme for this week, which is the color GREEN. 1. Moonbear http://img59.imageshack.us/img59/3446/greenhi9.jpg 2. Integral http://home.comcast.net/~Integral50/Photo_contest/HPIM1001a.JPG 3...

This is certainly going to be another difficult contest to vote on, even for the first round. You have one vote to cast in each group. Please vote for the picture that best represents our theme, which is the color GREEN. 1. SpaceTiger http://www.astroskwurl.net/PF/Green.jpg 2...

Is there any book with questions that would typically appear on a physics contest? I'm talking about high school physics here.

This is going to be another difficult final round of voting. So good luck to everyone, and well done! 1. turbo-1 http://img120.imageshack.us/img120/2898/sunsetnov17jv3.jpg 2. hypnagogue http://img177.imageshack.us/img177/9495/sunsetlg8.jpg 3. matthyaouw 4. larkspur 5...

Homework Statement A proton sits at coordinates (x; y) = (0; 0), and an electron at (d; h), where d >> h. At time t = 0, a uniform electric field E of unknown magnitude but pointing in the positive y direction is turned on. Assuming that d is large enough that the proton-electron...

I am taking the Euclid contest and I have to say, from what I've seen the last two numbers or so tend to be impossibly hard. I've looked at a few solutions and I will tell myself "I would have never thought of that in a million years." Anyway, this thread is for people taking the contest. Any...

[FONT="Comic Sans MS"]Green With Envy Just in time for St. Patrick's Day this weekend, our theme for this week will be the color GREEN. Your picture must have the color green as the dominant color in the picture. Good luck of the Irish. [SIZE="4"]Contest Rules: 1. Any digital photo...

This is the second group in this contest. Please vote for the picture that best represents our theme : a picture taken at sunrise, or sunset. Please note that in some pictures, the time it is taken isn't clear, and there may be uncertainty in whether a picture clearly qualifies with our...

It seems that lately, every contest seems to be impossible to vote on. This one is no exception. Well done to everyone who participated. Please vote for the picture that best represents our theme : a picture taken at sunrise, or sunset. Please note that in some pictures, the time it is taken...

This promises to be a brutal final round. Good luck to all finalists, and good luck to the rest of us who have to choose just one. Please vote for the picture that best represents our theme: Mountains! 1. cyrusabdollahi http://img254.imageshack.us/img254/7818/iranvp8.jpg 2. Integral...

[FONT="Comic Sans MS"]Sunrise, Sunset Our theme this week is on two of my favorite times of the day, sunrise and sunset. Your picture must have been taken during one of those times. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted...

This is the 2nd group of voting for this difficult contest. Please vote for the picture that best represents our theme - Mountains! 1. Mk http://img250.imageshack.us/img250/3089/dsc06269sr7.jpg 2. larkspur 3. hypatia http://i82.photobucket.com/albums/j269/hypatia3811/smokey.jpg...

This promises to be another very difficult contest. Congratulations to everyone who participated. Please vote for the picture that best represents our theme: Mountains. You have one vote in each group. 1. cyrusabdollahi http://img254.imageshack.us/img254/7818/iranvp8.jpg 2. Physics is...

This promises to be an impossible contest to vote. Still, do your best to pick the picture that best represents our theme : black and while photo. 1. Janus http://home.earthlink.net/~parvey/sitebuildercontent/sitebuilderpictures/beach.jpg 2. alex caps...

[FONT="Comic Sans MS"]Ain't No Mountain High Enough This week, our theme is on MOUNTAINS. Pictures must have real mountain/s as the main subject. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In...

This is the second group in this contest. 1. physarrista 2. Moonbear http://img408.imageshack.us/img408/7810/armorbwuh4.jpg 3. scorpa 4. cyrusabdollahi http://img237.imageshack.us/img237/8238/iranyp1.png 5. Chi Meson...

This one promises to be an extremely difficult contest to vote on. So good luck to everyone. Please vote for the best picture in black and white. You have one vote to cast in each group. 1. turbo-1 http://img132.imageshack.us/img132/4878/traingrayoy8.jpg 2. Janus...

[FONT="Comic Sans MS"]It's All There, In Black And White The pictures for this week's theme must be in black and white/grayscale. It can be on any subject matter. For this contest only, you are allowed to modify a color picture into black and white or grayscale. No other modification of...

This was probably a difficult contest to get or find a picture for many people. Still, we have a set of very strong pictures here, so voting might be tight! Please vote for the picture that best depicts our theme, which is either on the chinese people or culture, or on pigs to celebrate the...

Another round of amazing pictures. This round of voting should be interesting. Please vote for the picture that BEST reflect our theme: anything to do with Valentine's Day. 1. hypatia 2. ZapperZ 3. Moonbear http://img232.imageshack.us/img232/3779/valentineskissesci7.jpg 4...

This promises to be a tough final round for this contest. Please vote for the picture that best represents our theme this week, which is all about leaves! 1. Janus http://home.earthlink.net/~parvey/sitebuildercontent/sitebuilderpictures/fall.jpg 2. Moonbear...

[FONT="Comic Sans MS"]Will You Be My Valentine? Valentine's Day is almost upon us. This week's theme is all about Valentine's day and what it represents. You picture must have a subject matter that has a clear connection to or representation of Valentine's Day. I may have to make a judgement...

This is the 2nd group for this contest. Please vote for the picture that best reflects our theme, which is on leaf/leaves. 1. FredGarvin http://img294.imageshack.us/img294/9505/veriagatedacerdh9.jpg 2. alex caps http://bikeflat.com/albums/album07/DSC_1446.sized.jpg 3. turbo-1...

This will be another difficult round of voting. You have one vote for each group. Please vote for the picture that best reflect out theme this week, which is on leaf/leaves. 1. SpaceTiger http://www.astroskwurl.net/leaves_pf.jpg 2. Janus...

FYI: http://www.discover.com/twominutesorless/ String Theory in Two Minutes Or Less (contest) THE CHALLENGE Just over a century ago, Albert Einstein published three groundbreaking scientific papers in one year, anyone of which could have won him the Nobel Prize. Taking a cue from...

Turning Over A New Leaf This week's theme is all about leaves, the biological kind. Your picture must have, as its central subject, a leaf, or leaves. This must be a real leaf, not fake, or picture/painting of a leaf. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned...

Wow! Amazing pictures! I shouldn't be surprised anymore by now since we have had outstanding pictures during all the contest, but they continue to be amazing. Well done everyone! Please vote for the picture that best represents our theme this week, which is a picture of a river. {Since...

This is going to be a very difficult final round, so good luck to everyone. Please vote for the picture that best represents out theme, which is things that are straight and narrow. 1. turbo-1 http://img262.imageshack.us/img262/4175/wirebridgepy3.jpg 2. twisting_edge 3...

Note that I have added an additional rule to our contest. This is posted in Item #4 in this list. [SIZE="5"]Cry Me A River This week's theme is all about rivers of water. Your picture must have a river as its main subject. [SIZE="4"]Contest Rules: 1. Any digital photo or...

This is the second group in this contest. Please vote for the picture that best represents our theme, depicting a scence that is straight and narrow. 1. matthyaouw 2. alex caps http://bikeflat.com/albums/WashingtonDC/WashMonSky.sized.jpg 3. SpaceTiger 4. 3trQN...

Wow! We have an astounding collection of photos for this contest! Well done everyone! This is going to be a tough round of voting, even for the first round. So good luck in choosing your favorite picture. Please vote for the picture that best represents our theme, depicting a scence that is...

Sin contest question from 2003-- Can't figure this question... it's exam review! help the questions is: A kid is 5m from a fence that is 4 m high. He throws a ball @ 45 degrees from the horizontal which just grazes the fence. How far beyond the fence does the ball land? You may assume that the...

Straight and Narrow Our theme this week is on anything that is "straight and narrow" (I'm sure you can guess what would not be allowed on PF, so don't even try). [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the...

I'm glad I'm not allergic to cats, or I would be in serious trouble with this thread. There are a lot of cats around here! :) Please vote for the picture that you think tickled your funny bone the most. 1. SpaceTiger http://www.astroskwurl.net/jp.jpg 2. turbo-1...

HI! I've looked everywhere for help for this question but i just can't seem to understand it...:frown: The question is below. It is from the SIN contest from 2001, question number 4. I wish they would have the answers posted up on the Waterloo website, but they only have the most recent...

Now That's Funny! This week's picture must contain something that is funny or amusing. It cannot be a photo of a picture, painting, mural, screen shot, comic panel, etc. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the...

The second group of photos for this contest. Please vote the picture that best depicts our theme, which is SNOW. 1. jtbell http://web.presby.edu/~jtbell/blizzard/Calvert.jpg 2. scorpa http://i4.photobucket.com/albums/y117/Scorpa/IMG_0114.jpg 3. Moonbear...

This is going to be one of the toughest contest to vote on. So well done, and good luck to everyone! Please vote for the picture that best depicts our theme, which is SNOW! This is the first group of pictures. You have one vote for each group. 1. iansmith 2. sas3...

[SIZE="5"]Let it snow, let it snow, let it snow. It's winter, at least in the northern hemisphere. While some parts of the world has been unusually balmy, others have been buried under tons of snow. So this week, let's make snow cones out of all that snow. The theme this week is SNOW! So find...

A small, but amazing quality of pictures for this contest. There were imaginative ones, and at the other spectrum, a picture that stretches the imagination beyond possible to include the theme <looks at gokul> :) Please vote for the picture that best reflects our them, which is to depict...

[SIZE="5"]Happy New Year! Our contest this week will straddle into the new year, so what better theme can we have at this time? To celebrate the year 2007, our contest this week will involve anything to do with the Number 7. It could be a picture of a building that has only 7 floors, or a...

It was a fun contest, especially when people complained that the tune representing our theme stuck in their heads! :biggrin: Please vote for the picture that best shows the scene from a city. 1. larkspur 2. SpaceTiger http://www.astroskwurl.net/nashville2.jpg 3. hypnagogue...

Hi everyone. Getting to the point, the types of questions that math contests have are not really taught, so to speak, in high school. I was just wondering if anyone had any resources or tips for solving these kinds of questions. For example: Suppose n and D are integers with n positive and 0 ≤...

[SIZE="5"]We Built This City! We have had contest depicting the tranquil countryside, farmland, and other rural areas. This time, we deal with the big bad boy. The theme this week will be on scenes from a city or any urban area (suburbia doesn't count). Merry Christmas, Happy Hannukkah...

A surprisingly small number of entries (maybe everyone's on vacation already), but not lacking in quality. So well done to everyone who submitted a picture. Please vote for the picture that best represents our theme "Happy Holidays", which depicts a holiday decorations sans christmas trees...

[SIZE="5"]Happy Holidays! With tonight marking the beginning of Hanukkah, and with Christmas looming upon us, I thought this would be a suitable theme for our photo contest. Your picture must reflect a holiday decoration, celebration, activities, etc. It can be of any religious or secular...

It was a smaller number of entries than I anticipated for this time of the year (I thought there were a lot of Christmas trees around). Still, it wasn't lacking in quality and "interest", especially with that deer head that wasn't even part of the tree! :) Please vote for the picture that...

[SIZE="5"]O' Christmas Tree, O' Christmas Tree It is that time of the year where evergreen trees are decorated and lit. Your photo for this contest must have, as the main subject, one or more christmas trees. The tree may or may not be decorated. [SIZE="4"]Contest Rules: 1. Any digital...

Another round of solid pictures by everyone. Please vote for the picture that best represents our theme, which is scene from a farm. 1. deerhake.11 http://www2.wcoil.com/~rita/DSC00635.JPG 2. Averagesupernova 3. scorpa...

This will be a tough final round of voting since all the pictures are awesome! Well done everyone! 1. GeoMike http://www.mcschell.com/qdike.jpg 2. matthyaouw 3. Integral http://home.comcast.net/~Integral50/Ice2.JPG 4 mrjeffy321...