Clue to Puzzle #37: An Aerople Takes a Roundtrip in the Wind

37. If an aeroplane makes a round trip and a wind is blowing, is the trip time shorter, longer or the same?

a round trip aeroplane in the windSo a roundtrip means it starts in the same place it finishes. The simplest model is that it flies off in to the wind turns around and flies back to where it started. On one leg it has the wind speed added and on the other subtracted.

It's probably easiest if you just think of a plane speed a wind speed and a distance and run the numbers.

In the answer we will explore why and look at similar examples as well as a mathematical proof.

Where next?
Questions Answer

© Nigel Coldwell 2004 -  – The questions on this site may be reproduced without further permission, I do not claim copyright over them. The answers are mine and may not be reproduced without my expressed prior consent. Please inquire using the link at the top of the page. Secure version of this page.

PayPal - The safer, easier way to pay online.
I always think it's arrogant to add a donate button, but it has been requested. If I help you get a job though, you could buy me a pint! - nigel

This Website Uses Cookies

To increase the functionality of the site. The cookies I apply do not uniquely identify you, by continuing to use this site you agree to let me place a cookie. I also have advert and analytics providers, my advertising provider (Google,) does provide personalised adverts unless you specify otherwise, with them. For more information click here.x