Contest Definition and 467 Threads

Homework Statement There is a tug a war match and everyone is pulling on the object? Person A is pulling with 45N at 45degrees, person B is pulling with 48 N at 110degrees, and person c is pulling at 40N at 200degrees. 1)What is the net force acting on the object based on the pulling of...

That's the subject of a photo contest somewhere. So I played with matches but "embarras de richesses"; which one to enter? Which one appeals the most? #1 #2 #3 #4 #5

[SIZE="6"][FONT="Comic Sans MS"]Theory of Relativity The theme of this contest will be the theory of relativity, and in particular the equation E=mc^2. On 27 september 1905, Einstein published the paper in which the famous equation E=mc^2 first appears. This contest will end on 15 september...

Seeing as the test day for the 2011 Pascal Contest was yesterday, let's discuss! My answers: B>E>C>B>A A>B>D>E>C E>D>A>C>A D>A>C>E>D D>C>B>A>C Now I was not sure about problems 20,24, and 25 If anyone remembers the wording of the problems, can you please post them? In fact, can anyone...

Hi, does anyone know anything about Ortvay 2010 results? They haven't been published online yet. Nevertheless, they were announced (offline) on last 9 December. Thanks very much.

He once had a difficult moment, just to see what it was like. https://www.youtube.com/watch?v=L-4zfsy6rsM What else can be said about the most interesting man in the world? Stay thirsty my friends.

I'm currently in IB SL Math (No HL here unfortunately), and I wish to learn more about contest-type mathematics as I have 3-4 contest here this year. Is there any books/materials that's useful for me? I have taken a look at this book: https://www.amazon.com/dp/0817645276/?tag=pfamazon01-20...

Hello Everyone! We are reviving the PF Photo Contest! Thanks to Andre for hosting it the past year. The PF Photo Contest will continue with its usual rules, and will continue in its current forum, which is the https://www.physicsforums.com/forumdisplay.php?f=198" forum. However, to make...

New FQXI essay contest "Is Reality Digital or Analog?" It's been a long wait but it's here at last http://www.fqxi.org/community/essay (It was actually launched 4 days ago - they seem to keep it pretty quiet)

We are going to be holding a contest for high school physics students around the state of Alabama. Students will be tasked with making a commercial enticing fellow students to take physics next year. I think students may have difficulties coming up with a topic to focus on. Physics is...

An egg is hard, but yet delicate food that people have been making contests of, for many years. But i am part of one that i lack the physics to figure out the perfect device here are the simple rules of this contest. Holy Omelets Batman… It’s the Egg Drop Contest! Design a egg protection...

I don't know if this will work, but I thought we might try something a little different. As with other contests, get the answer, ask the next question, but the difficult part is to give a clue or clues that would not be easily searchable. So, only one or a few keys words should be used that in...

As you might know, the 2010 Euclid Contest was officially taken yesterday. So let's discuss! I thought it wasnt too bad. #10 was hard though (the triangle one). Here was the question: For each positive integer n, let T(n) be the number of triangles with integer side lengths, positive area...

A kid is 5 m from a fence that is 4 m high. He throws a ball at 45° from the horizontal which just grazes the fence. How far beyond the fence does the ball land? You may assume that the ball was thrown from the same level as the ground on the far side of the fence. Here's how i did it and its...

I just ate an entire 2 lbs. tub of cottage cheese and didn't puke. Who dares challenge me?

Please have a look at these pictures and see how natural framing can make the difference. Please vote for the best natural framed picture. 1. Matthyaouw 2. Edward http://img171.imageshack.us/img171/3497/1000586q.jpg 3. Borek 4. Gokul43201 5. Fuzzyfelt 6. Marzena...

Homework Statement A small point-like object is thrown horizontally off of a 50 meter high building with an initial speed of 10 m/s. At any point along the trajectory there is an acceleration component tangential to the trajectory and an acceleration component perpendicular to the trajectory...

Hello, I was just wondering as to how I can prepare myself for the F=ma contest and other preliminary competitions that are part of the physics olympiad. Besides doing past F=ma tests, is there any other way to prepare? (this question is specifically targeted to those who have...

In a math contest, the question goes somehow like this: A lattice point is a point wherein the value of (x,y) is an integer. Determine the total number of lattice points in a circle which has a radius of 6 and the its center is at the origin. Any one knows the solution or shortcut for this?

Hey This problem has been stumping me for awhile and I just don't seem able to get it Homework Statement A space shuttle lands ona distant planet where the gravitiational acceleration is 2.0 (We don't know the local units of length and timem but they are consistent throughout this...

Farmyard animals[/color][/size] Photos with farmyard aanimals on them, please :) [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is...

Normal service resumes, contests starting on a saturday again Putting things in perspective[/color][/size] Photos with strong perspective, odd perspectives etc etc. Be as creative as you like. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the...

Three's a crowd[/color][/size] Photos with crowds of three or more this week [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is...

1.Andre 2.Borek 3.Marzena 4.Edward http://img134.imageshack.us/img134/8771/copyof1001517.jpg 5.Borg 6.Physics girl phd 7.Turbo-1 8.Matthyaouw 9.Kronos5253 Contest Thread

Something new[/color][/size] The only restriction this week is that is must be a new photograph, taken between now and the close of the contest. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case...

Green living[/color][/size] Interpret as you will. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check with me first...

He's the cutest dog in the world. His name is Boots. My gf rescued him from the pound. He was only 2 days away from being put to sleep. http://ocregister.upickem.net/engine/Details.aspx?c=9554&p=V&s=1569867 THANKS! You may have to register, but you won't get spam if you uncheck the...

Made of stone[/color][/size] Show me something manmade that is made of stone. I couldn't come up with a catchier name. Sorry, I'm tired. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case...

Something fishy[/color][/size] Interpret as you will [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check with me...

1.ZapperZ 2.Andre 3.Johnathan Scott 4.Matthyaouw 5.Marzena http://www.bpp.com.pl/IMG/marzena_around_the_house.jpg 6.Borek 7.Ivan Seeking http://img32.imageshack.us/img32/3034/light2k.jpg 8.Edward http://img154.imageshack.us/img154/7924/copyofscan10001001.jpg...

Around the house[/color][/size] Get creative with what you've got close to hand. Show me photos taken within the walls of your house. Not in the garden, not the view out the window but what's actually inside it. Get snapping :smile: [SIZE="4"]Contest Rules: 1. Any digital photo or...

1.Ivan Seeking http://img191.imageshack.us/img191/3980/1005z.jpg 2.Shramana http://img259.imageshack.us/img259/2981/summer09194.jpg 3.Waht http://img259.imageshack.us/img259/1914/1251085461img2156.jpg 4.Hypatia http://i82.photobucket.com/albums/j269/hypatia3811/HPNX0051.jpg...

Summer Holidays[/color][/size] Show me where you've been on your holidays this summer. If you've not not been away this summer, show me any previous trip away. Tell me a bit about where you went too :smile: [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo...

1.Borek 2.Ivan Seeking http://img25.imageshack.us/img25/8674/1011her.jpg 3.Chroot http://lh3.ggpht.com/_y270vw9jgGs/SodU2fbmGYI/AAAAAAAAHhE/tUWSnmcy9C0/s640/DSCR-3213.jpg 4.Integral 5.Andre 6.Marzena 7.Billiards http://img38.imageshack.us/img38/9206/12p1010324.jpg 8.Hypatia...

In to the light[/color][/size] I've heard it said that it is not a good idea to shoot into the light when taking photos but I don't know, I think it can be pretty cool. Show me photos taken pointing towards the sun or your light source. [SIZE="4"]Contest Rules: 1. Any digital photo or...

Oh god, cute overload. Vote for the picture(s) that makes you smile the most. 1.Ivan Seeking http://img80.imageshack.us/img80/7281/isaac.jpg 2.Junglebeast http://img193.imageshack.us/img193/21/trollsp.jpg 3.RobertM 4.Ben Niehoff 5.Integral 6.Turbo-1 7.ZapperZ...

Make me smile[/color][/size] The challenge this week is to make me (and the voters) smile. Votes should go to the one(s) that made you smile the most. No other restrictions on subject. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be...

Note: Matthyaouw is offline for sometime due to technical problems and I offered to take over until he is back. Chiaroscuro[/color][/size] Chiaroscuro(italian) is a term in art for a contrast between light and dark. An another form is Rembrandt lighting. So this week, it is about the...

Back from my travels now so thanks to those who ran this for me while I was away. Home Turf[/color][/size] I know we've had a similar contest before, but I fancied revisiting it. Show me your home turf. Your city, your street, anywhere close to where you live or lived. I will post the...

Food & Drink[/color][/size] [SIZE="3"]We've had a couple of these in the past but I'm sure you all have plenty of food themed pics. matthyaouw should be back next week, in which case normal service will be resumed. [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo...

GeorginaS Greg Bernhardt https://www.physicsforums.com/misc/swiss.jpg colonelcrayon http://img11.imageshack.us/img11/62/1070768.jpg ZapperZ Andre Marzena Borek edward http://img199.imageshack.us/img199/333/stormr.jpg moose I'm afraid Ben's had to be disqualified...

Homework Statement You are a judge in a children's kite-flying contest, and two children will win prizes for the kites that pull most strongly and least strongly on their strings. To measure string tensions, you borrow a weight hanger, some slotted weights, and a protractor from your physics...

[SIZE="5"]Stormy Weather Here is a very broad easily interpreted topic. :smile: Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check...

junglebeast http://img34.imageshack.us/img34/9237/flyo.jpg Andre ZapperZ colonelcrayon http://img193.imageshack.us/img193/3856/p3110203.jpg Ok small list this week. Vote away! :smile:

[SIZE="6"]Fly me away[/color] Interpret as you will [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check with me first...

1.Chroot 2.Turbo-1 3.Junglebeast http://img20.imageshack.us/img20/9836/lifewasgood.jpg 4.Wildman 5.ZapperZ http://img20.imageshack.us/img20/9955/img5958l.jpg 6.Borek 7.Matthyaouw 8.Marzena 9.Andre 10.Fuzzyfelt...

Out the window[/color][/size] Interpret as you will [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check with me first...

1.Integral 2.Colnelcrayon http://img189.imageshack.us/img189/7896/whittierblackstone16.jpg 3.Equate http://img195.imageshack.us/img195/9262/02222x.jpg 4.Edward http://img4.imageshack.us/img4/7639/copyof1000135.jpg 5.ZapperZ 6.Andre 7.Borek 8.Marzena...

The blues[/color][/size] Interpret as you will [SIZE="4"]Contest Rules: 1. Any digital photo or digitally-scanned photo relevant to the theme will be accepted within the contest period. In case there's a gray area, or you're not sure if the picture is suitable, check with me first. 2...

1.Marzena 2.Integral 3.Jasonrox http://img30.imageshack.us/img30/6757/img0676k.jpg 4.Borek 5.ZapperZ 6.Matthyaouw 7.GeorginaS 8.Turbo-1 Contest Thread