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#1 2008-09-23 08:40:50
- tony123
- Member
- Registered: 2007-08-03
- Posts: 230
ants
Five ants are on the corners of an equilateral pentagon with side of length 1. They each crawl directly towards the next ant, all at the same speed and traveling in the same orientation. How long will each ant travel before they all meet in the center?
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#2 2008-09-23 08:50:15
- mikau
- Member
- Registered: 2005-08-22
- Posts: 1,504
Re: ants
aren't you given the ants speed?
A logarithm is just a misspelled algorithm.
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#3 2008-09-23 09:09:05
- luca-deltodesco
- Member
- Registered: 2006-05-05
- Posts: 1,470
Re: ants
perhaps it is invariable mikau (except for 0 speed ofcourse!)
The Beginning Of All Things To End.
The End Of All Things To Come.
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#4 2008-09-23 10:07:38
- mikau
- Member
- Registered: 2005-08-22
- Posts: 1,504
Re: ants
Ooh, I guess 'how long' means 'how far'. I thought it meant 'for how much time'.
A logarithm is just a misspelled algorithm.
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#5 2008-09-24 06:32:23
- mathsyperson
- Moderator
- Registered: 2005-06-22
- Posts: 4,900
Re: ants
Based on a sketch and a minute's thought, I'd go with
.No guarantees though.
Why did the vector cross the road?
It wanted to be normal.
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