Arfy's random challenges

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Fletch
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Re: Arfy's random challenges

Post by Fletch » Tue Mar 16, 2010 2:12 pm

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Post by grover » Tue Mar 16, 2010 3:12 pm

[quote="arfy4";p="231072"][quote="grover";p="231031"][quote="arfy4";p="230930"]Fine, I'll change the question. I may have to change the amount of laps, I'll have to check tomorrow.

A dog is tied to a rope. The dog runs 40 laps around the yard completely stretching the rope on all of them, running a total distance of one mile. The dog is very tired and wants water after the running. the water is twenty feet away. Could he get water? You must also say how long the rope is.[/quote]

Yes, if water is 20 ft away from the tie up point, which isn't mentioned...rope is 21 ft.[/quote] The length of the rope is off. Remember to say the exact number, don't round it.[/quote]

no...it is closeeeee to 21 ft

5280/40=circumference=132

circumference=2*radius*pi

pi=22/7

132/2=66

66/22=3

3*7=21

I know that 22/7 isn't exactly pi, but it is clearly meant to be used in this problem....

:P

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Re: Arfy's random challenges

Post by Fox_Blaze » Tue Mar 16, 2010 4:13 pm

[quote="Fletch";p="231195"]Image[/quote]

My reaction exactly to such a pointless-from-the-beginning thread :'P

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Post by NoahTheBoa » Tue Mar 16, 2010 5:26 pm

[quote="grover";p="231208"][quote="arfy4";p="231072"][quote="grover";p="231031"][quote="arfy4";p="230930"]Fine, I'll change the question. I may have to change the amount of laps, I'll have to check tomorrow.

A dog is tied to a rope. The dog runs 40 laps around the yard completely stretching the rope on all of them, running a total distance of one mile. The dog is very tired and wants water after the running. the water is twenty feet away. Could he get water? You must also say how long the rope is.[/quote]

Yes, if water is 20 ft away from the tie up point, which isn't mentioned...rope is 21 ft.[/quote] The length of the rope is off. Remember to say the exact number, don't round it.[/quote]

no...it is closeeeee to 21 ft

5280/40=circumference=132

circumference=2*radius*pi

pi=22/7

132/2=66

66/22=3

3*7=21

I know that 22/7 isn't exactly pi, but it is clearly meant to be used in this problem....

:P[/quote]

Is the rope on a free spinning bushing or something? Otherwise the dog would be running in a spiral and you'd have to take into account the diameter of the post the rope is tied to.
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Post by Kilgore Trout » Tue Mar 16, 2010 5:57 pm

And you would have a changing radius which would need calculus to solve, and I don't know if they've gone over that in class yet.
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Post by arfy4 » Tue Mar 16, 2010 10:32 pm

[quote="Stevo";p="231074"]21.008452488130184321492656765172 ft?[/quote] Correct!

A man is laying down turf in a 40 foot by 40 foot yard. he has two foot wide rolls. He wants to leave a 10 foot by 10 foot square in the middle. How many trips does he need to make around the yard.
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Post by BigBiker05 » Tue Mar 16, 2010 11:16 pm

zero trips


He just went to home depot and hired a bunch of day laborers.

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Post by Kilgore Trout » Tue Mar 16, 2010 11:18 pm

Is that two foot-wide rolls, or two-foot wide rolls? Or maybe two foot wide-rolls.
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Re: Arfy's random challenges

Post by NoahTheBoa » Tue Mar 16, 2010 11:37 pm

I'm gonna assume 2' wide rolls.

You'll have 20 rows, 40 feet long.

10 trips out and back.

I don't know what you mean by around since you'd want to lay the turf in rows instead of in a spiral.
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Post by MrBlah » Wed Mar 17, 2010 12:32 am

What common English word will describe a person or thing as not being found in any place and yet with no changes other than a space between syllables, will correctly describe that person or thing as being actually present at this very moment?




A magician was boasting one day at how long he could hold his breath under water. His record was 6 minutes. A kid that was listening said, "that's nothing, I can stay under water for 10 minutes using no types of equipment or air pockets!" The magician told the kid if he could do that, he'd give him $10,000. The kid did it and won the money. Can you figure out how?
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Post by NoahTheBoa » Wed Mar 17, 2010 12:36 am

[quote="MrBlah";p="231284"]

A magician was boasting one day at how long he could hold his breath under water. His record was 6 minutes. A kid that was listening said, "that's nothing, I can stay under water for 10 minutes using no types of equipment or air pockets!" The magician told the kid if he could do that, he'd give him $10,000. The kid did it and won the money. Can you figure out how?[/quote]

The kid was David Blaine.

[flash width=600 height=450]http://www.youtube.com/watch/v/XFnGhrC_3Gs[/flash]
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Post by Kilgore Trout » Wed Mar 17, 2010 12:54 am

Bradycardia, hyperventilation, and peripheral vasoconstriction, along with an increase in hermatocrit. At least that's how seals do it.
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Post by Stevo » Wed Mar 17, 2010 11:55 am

[quote="MrBlah";p="231284"]What common English word will describe a person or thing as not being found in any place and yet with no changes other than a space between syllables, will correctly describe that person or thing as being actually present at this very moment? [/quote]

Nowhere

Now here

Do I win?

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Post by TheCarpe » Wed Mar 17, 2010 12:12 pm

[quote="MrBlah";p="231284"]A magician was boasting one day at how long he could hold his breath under water. His record was 6 minutes. A kid that was listening said, "that's nothing, I can stay under water for 10 minutes using no types of equipment or air pockets!" The magician told the kid if he could do that, he'd give him $10,000. The kid did it and won the money. Can you figure out how?[/quote]

That kid was Guybrush Threepwood.
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Post by MrBlah » Wed Mar 17, 2010 12:57 pm

poop.
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