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I wonder if you can answer this question ^_^

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Lotus Flower

Post subject: I wonder if you can answer this question ^_^

Posted: Sun Apr 30, 2006 5:15 am

Joined: Sun Apr 16, 2006 6:24 pm
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Location: Melbourne, Australia
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Okay, so here's the question. If I finish work in a wheat filed at point S, 1km from the path, which we'll call N, which is a straight path leading to a my house. The distance from N to my house is also 1km. I can walk through the wheat field at 7km/hr and can walk along the path at 9km/hr. Towards which point on the path should I walk to minimise the total time taken to reach my house? (As in distance from point N)

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Tartaurus

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Posted: Sun Apr 30, 2006 6:31 am

Joined: Sat Mar 25, 2006 4:36 pm
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Location: Somewhere dark, I'm bound to what I think is a chair. I can still smell chloroform...
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Simple

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Kane369

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Posted: Sun Apr 30, 2006 7:16 am

Joined: Sat Mar 25, 2006 10:04 pm
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Location: Calgary, AB, Canada
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In front of your house?

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Lotus Flower

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Posted: Sun Apr 30, 2006 7:39 am

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It's mathematics. Here's a hint on how to solve it. You need to use Pythagoras' theorem, that is, that a^2+b^2 = c^2

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Kane369

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Posted: Sun Apr 30, 2006 7:52 am

Joined: Sat Mar 25, 2006 10:04 pm
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Location: Calgary, AB, Canada
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fuck.
I havem't been taught that yet :'(

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Lotus Flower

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Posted: Sun Apr 30, 2006 7:55 am

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Huh? You should have... Pythag = Year 8 work.

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Kane369

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Posted: Sun Apr 30, 2006 7:59 am

Joined: Sat Mar 25, 2006 10:04 pm
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Well my teacher didn't mention it. ^_^;

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Lotus Flower

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Posted: Sun Apr 30, 2006 8:00 am

Joined: Sun Apr 16, 2006 6:24 pm
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Bad teacher! Your teacher is bad like the bad poking kitty :'(

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Hiryu

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Posted: Sun Apr 30, 2006 12:12 pm

Teddy bears are manly

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I'm bad in math! Way bad!!!

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Asis

Post subject: Re: I wonder if you can answer this question ^_^

Posted: Sun Apr 30, 2006 2:09 pm

Joined: Fri Mar 24, 2006 2:40 pm
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Location: Buenos Aires
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Lotus Flower wrote:

I really don't get it. If the question is "how do I reach faster from S to H (the house) the easiest way is in a straight line thorugh the wheat field, ignoring the path:

H-----------N

S

Reference: H house N path S workplace

Distance from N to S and from N to H = 1km
Distance from S to H = 1.41km

Time to reach H if you go to the path and then to the house: 15 minutes (aprox)
Time to reach H if you go in a straight line from S to H : 9 minutes (aprox)

:fuckedup:

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Lotus Flower

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Posted: Sun Apr 30, 2006 11:14 pm

Joined: Sun Apr 16, 2006 6:24 pm
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Location: Melbourne, Australia
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Asis wrote:

Lotus Flower wrote:

You don't have to go directly diagonal to the house. You could always go diagonal to a certain point along the path. That is the answer to finding the way you need to walk...

Added after 48 seconds:

However the question is WHERE along the path you need to walk to.

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Ku Ku Ku \(-^.^-)/

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Posted: Sun Apr 30, 2006 11:16 pm

Joined: Sun Apr 02, 2006 6:02 pm
Posts: 9501
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hahaha

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Lotus Flower

Post subject: Re: I wonder if you can answer this question ^_^

Posted: Sun Apr 30, 2006 11:51 pm

Joined: Sun Apr 16, 2006 6:24 pm
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Location: Melbourne, Australia
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You... Don't get it all all do you... :unsure:

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Klyptomaniac

Post subject: Re: I wonder if you can answer this question ^_^

Posted: Mon May 01, 2006 8:24 am

Joined: Thu Feb 09, 2006 9:33 pm
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Location: Flipadelphia
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Lotus Flower wrote:

You... Don't get it all all do you... :unsure:

Your making this confusing! :brickwall:

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CarrionMan

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Posted: Mon May 01, 2006 6:22 pm

Joined: Wed Mar 29, 2006 11:37 pm
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Location: 500 feet, and one sin under Toluca Lake
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Well, you're asking a very irrelevant question. You can go on any segment of the path, and still reach at the same time. If S is at the very end of N (not the H side), then it would be easy to simply walk up, minimizing the time you walk through rough terrain. If you can go through all the rough terrain and enter right before the house, then you'll still take about the same time.

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Drayk

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Posted: Mon May 01, 2006 8:22 pm

Joined: Sun Apr 23, 2006 4:07 pm
Posts: 3
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Pie...the answer to everything is pie...

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CarrionMan

Post subject:

Posted: Mon May 01, 2006 9:06 pm

Joined: Wed Mar 29, 2006 11:37 pm
Posts: 13387
Location: 500 feet, and one sin under Toluca Lake
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Nope.

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Katz

Post subject:

Posted: Mon May 01, 2006 10:02 pm

Joined: Tue Mar 28, 2006 11:34 pm
Posts: 195
Location: A LITTLE PLACE CALLED NONE OF YOUR GOD DAMN BUSINESS!!!
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yes pie cut down the wheat to make into pie crust

Added after 3 minutes:

then go beat out the brains of your teacher for asking such a stupid and irrelevant question and use as your pie filling bake at 350 degrees for 1 hour or until golden brown at the edges let cool and enjoy

Added after 8 minutes:

if you think this question is hard wait till you go to college and you have to take quantum physics
DAMN YOU STRING THEORY!!!!!

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CarrionMan

Post subject:

Posted: Mon May 01, 2006 10:33 pm

Joined: Wed Mar 29, 2006 11:37 pm
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Location: 500 feet, and one sin under Toluca Lake
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Haha.

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Lotus Flower

Post subject:

Posted: Tue May 02, 2006 1:44 am

Joined: Sun Apr 16, 2006 6:24 pm
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Location: Melbourne, Australia
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Erm. This question is supposed to be fairly easy o.O

All you need to do is find when the derivative of the equation is equal to 0. All you need to do is find the equation, which isn’t that hard since you just need to use Pythagoras.

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Grey

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Posted: Tue May 02, 2006 9:00 am

Joined: Tue Mar 28, 2006 4:08 pm
Posts: 11064
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The answer is 42. As 42 is the answer to life, the universe and everything.

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Lotus Flower

Post subject:

Posted: Wed May 03, 2006 12:16 am

Joined: Sun Apr 16, 2006 6:24 pm
Posts: 781
Location: Melbourne, Australia
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Nope. Not 42. Not even close.

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