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Started By
Message
re: Solve The Riddle My Boss Presented
Posted on 11/17/17 at 12:01 pm to pioneerbasketball
Posted on 11/17/17 at 12:01 pm to pioneerbasketball
quote:
the mass of the snakes is always preserved, so they cannot both dissapear. The real life image seems to challenge the mathematical notion of "eating at the same speed": Why can't we picture two snakes completely eat each other up at the same speed? This is where the subtle deception takes place: Suppose that each snakes weighs 10 kilograms and eats 1 kilogram per minute. Then each snake could eat the other one in 10 minutes. Lets see what happens: after 5 minutes, snake A has eaten 5 kilograms of snake B, so it has gained 5 kilogram. However, it has also lost 5 kilograms which were eaten up by snake B. So the weight of snake A is still 10 kilograms; similarly the weight of snake B is still 10 kilograms. So, instead of having half the job done, they are still at the beginning. Five minutes later, they still have 10 more kilograms to eat, and so on: they have to go on forever, they can never finish up.
That's the answer if you google it.
1
Posted on 11/17/17 at 12:31 pm to Gris Gris
Put simply, it depends on how big their stomachs and jaws can stretch, because eventually each snake is eating a repeating combination of the other snake and what the other snake is eating (themselves, eating a snake), and if they have giant stomachs and jaws then it eventually depends on the angle at which they can bend their necks with all that snake in their mouth.
Posted on 11/17/17 at 12:59 pm to tigerstripedjacket
quote:
What would happen if two snakes of the same type, size, and length decided they were going to eat the other starting at the other one’s tail?
I don't know the answer, but I'm positive there is at least one poster on the PT board that knows the answer through first hand knowledge.
Posted on 11/17/17 at 1:14 pm to tigerstripedjacket
Ask your boss if he/she has a dog house.
Posted on 11/17/17 at 1:15 pm to tigerstripedjacket
They both meet their end. 
Posted on 11/18/17 at 11:12 am to rickyh
Bump. Is this right?
Posted on 11/18/17 at 11:21 am to CoachChappy
quote:Dey wuz kangz?
1) these would have to be king snakes.
Posted on 11/18/17 at 11:25 am to stniaSxuaeG
Roland of Gilead would know
Posted on 11/18/17 at 11:41 am to tigerstripedjacket
If both snakes eat and move at the same rate, they would never make any progress. One would be chasing the tail of the other one chasing its tail, all in a big circle. As one goes to bite, so does the other, and both their tails move by the same amount as their heads, therefore neither makes any progress. All you get is a revolving circle
Posted on 11/18/17 at 11:53 am to tigerstripedjacket
Ouroboros.
Posted on 11/18/17 at 11:56 am to tigerstripedjacket
No riddle..just a weed conversation.
Posted on 11/18/17 at 12:12 pm to jsk020
quote:
Roland of Gilead would know
His riddle game had nothing on Cort’s
Posted on 11/18/17 at 2:24 pm to tigerstripedjacket
Answer: they would allow some kid to be Atrayu for a long while
Posted on 11/18/17 at 3:10 pm to tigerstripedjacket
Snakes start with the head though..
Posted on 11/18/17 at 3:18 pm to tigerstripedjacket
quote:
The ring they make would shrink in circumference and increase in thickness, until you have two adjacent, gaping snake heads facing opposite each other with the seemingly short but incredibly voluptuous body of the other in their mouths. In reality, their bodies make several loops within that... mass.
I have taken the liberty of illustrating this for you.
Posted on 11/18/17 at 3:20 pm to Napoleon
quote:
This is a nice question that makes you think a lot. In a cartoon, you would probably see the two snakes stuck together in a ring that gets smaller and smaller and then dissapears with a loud "pop!". If you imagine a picture that is more true to life, it seems that when the ring gets smaller and thicker, then swallowing becomes more and more difficult so the snakes would probably get stuck and choke at some point.
The cartoon image makes no sense: the mass of the snakes is always preserved, so they cannot both dissapear. The real life image seems to challenge the mathematical notion of "eating at the same speed": Why can't we picture two snakes completely eat each other up at the same speed? This is where the subtle deception takes place: Suppose that each snakes weighs 10 kilograms and eats 1 kilogram per minute. Then each snake could eat the other one in 10 minutes. Lets see what happens: after 5 minutes, snake A has eaten 5 kilograms of snake B, so it has gained 5 kilogram. However, it has also lost 5 kilograms which were eaten up by snake B. So the weight of snake A is still 10 kilograms; similarly the weight of snake B is still 10 kilograms. So, instead of having half the job done, they are still at the beginning. Five minutes later, they still have 10 more kilograms to eat, and so on: they have to go on forever, they can never finish up.
Zoologists would probably know if it sometimes happens that snakes eat up their own tails. It looks silly and it would probably be fatal (if they cannot spit it out). But I have seen so many dogs run after their own tails that I would not be surprized to learn that snakes do it to.
Cheers,
Claude
Go to Math Central
Posted on 11/18/17 at 3:20 pm to tigerstripedjacket
It’s not a riddle.
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