Comments on: Frog stuck in a well

By: nadia

nadia — Tue, 20 Sep 2011 13:33:30 +0000

By: Hendy

Hendy — Thu, 23 Jun 2011 17:41:23 +0000

On the 43 day. The frog would be able to jump high enough to get out and would not need to fall back that night.

By: Nir

Nir — Wed, 25 Jul 2007 04:34:32 +0000

Oooops, my bad. I made a programming error, the correct answer is 43. Amie and Megan are wrong.

See my simulation
http://www.motion2.net/frog.html

By: Nir

Nir — Wed, 25 Jul 2007 04:20:48 +0000

You are all wrong except for Amie and Megan.

The correct answer is 44. I have programmed a flash simulator of this which you can try out yourselves, available on my website with the source code included.

http://www.motion2.net/frog.html

Enjoy

By: RK

RK — Thu, 19 Jul 2007 14:47:21 +0000

I suspect Shamrock

By: Angelo

Angelo — Sat, 14 Jul 2007 11:19:05 +0000

It took the frog 45 days to get out of the well. You subtract 3 feet from the original height (froggy going up) then add 2 after subtracting the original height from 3 (froggy going down).

By: Scott K

Scott K — Sat, 14 Jul 2007 00:28:51 +0000

what kind of rock is the well made out of, thats the real question.

By: Ituri

Ituri — Fri, 13 Jul 2007 10:42:53 +0000

The frog will ascend 1 foot each day for 42 days and on the last day it’ll ascend 3 feet (because no night spent in the well on this day). Thus, the frog will exit the well on the 43rd day since beginning its climbing.

By: RK

RK — Thu, 12 Jul 2007 22:33:50 +0000

Hi Megan- don't think the graph made it?

I believe the point you raise is similar to what Jay is saying, and is probably why Joe put a '?' after his answer of 43 (and might explain John Highsmith's comment and Amie's answer of 44)

Not sure what others think - while the 'official' answer is '43', in light of the way the question is worded- aren't '43' & 44' both acceptable?

By: Megan W

Megan W — Thu, 12 Jul 2007 21:52:57 +0000

The image didn’t show in my previous comment, so the link is here if anyone could be bothered accessing it!
http://a174.ac-images.myspacec.....2807d5.jpg

By: Megan W

Megan W — Thu, 12 Jul 2007 21:27:32 +0000

First of all, yes, I did have a lot of time on my hands…

The graph illustrates progress made each day (in green) and lost each night (in red).
I conclude that the frog takes 44 days to exit the well, because though the frog reaches 45 feet on day 43, this just means that he is at the top of the well… not beyond it.
44 days.

By: Amie Krone

Amie Krone — Thu, 12 Jul 2007 20:43:35 +0000

I’m going to guess – 44 days.

By: Ian mckinnon

Ian mckinnon — Thu, 12 Jul 2007 19:46:37 +0000

By: milo zachary

milo zachary — Thu, 12 Jul 2007 17:45:36 +0000

43 days. Every day he gained one foot, so he began each day at the level of the preceeding day’s number, so on day 42, he began at 41 feet, and climbed to 44 feet. On day 43, he began at 42 feet and climbed to 45 feet and was out.

By: Mike

Mike — Thu, 12 Jul 2007 16:41:35 +0000

45 days… one foot each 24 hours