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larryhl

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#831 Ship Ladder

Posted by larryhl on 14 June 2007 - 01:31 PM

This rather depends on the tension on the Anchor, If the Ship is Anchored with no slack then it can not rise with the tide, and in this instance it would take 10 hours and 40 minutes to reach the 8 rung (third from the top).

Only if there is enough slack to allow a full 180cm rise in the tide could you answer be correct.



I have yet to know any decent seaman anchor a ship without allowing for tide...
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#701 Neighbors

Posted by larryhl on 07 June 2007 - 01:19 PM

I've done a lot of these matrix problems (I call them that because it's easiest to solve them using a matrix setup) in the past. If you're not given enough information, they don't have answers, and this one doesn't have an answer because the last pet doesn't have to be a fish. It could be anything that isn't a dog, bird, cat, or horse. Using an unknown for the pet, you do get the same answer as you posted, but you can't assume that the unknown is fish just because the question is asking for someone who owns fish.
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