Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: Fly problem, alternative solution?
Replies: 6   Last Post: Oct 15, 2003 4:05 PM

 Messages: [ Previous | Next ]
 A N Niel Posts: 243 Registered: 12/8/04
Re: Fly problem, alternative solution?
Posted: Oct 15, 2003 4:05 PM

In article <200310130955.h9D9t7V24583@proapp.mathforum.org>, prem
<prem_sah1@rediffmail.com> wrote:

> dear sir
> Two trains 200 miles apart are moving toward each other;
> each one is going at a speed of 50 miles per hour.
> A fly starting on the front of one of them flies back and forth
> between them at a rate of 75 miles per hour. It does this until the
> trains collide and crush the fly to death. What is the total distance
> the fly has flown?And the number of iteration made by the fly?
>
>
> The solution is simple, using s=t*v, but is ther another way
> of solving it by trough limit?
>
> from
> prem
>
>

Yes, it can be solved by summing a geometric series.

Date Subject Author
2/6/97 de Valmont
2/6/97 Jim Hunter
2/8/97 de Valmont
2/7/97 Ilias Kastanas
2/8/97 de Valmont
10/13/03 prem
10/15/03 A N Niel