Can an Oxford Mathematician solve a PHYSICS Olympiad Problem? (with @zhelyo_physics)

Apply to help train AI systems with Alignerr here: https://www.alignerr.com/?referral-source=tomrocksmaths University of Oxford Mathematician Dr Tom Crawford is challenged by Zhelyo from @zhelyo_physics to try a question from the International Physics Olympiad (IPHO). Part 2 where Zhelyo tries a question from the International Maths Olympiad (IMO) chosen by Tom is here: https://www.youtube.com/watch?v=Crml7HsLfA0 This video includes a paid sponsorship with Alignerr. The question featured in the video is taken from the 2010 IPHO. You can download a copy of the question to try it for yourself here: https://tomrocksmaths.wordpress.com/wp-content/uploads/2025/09/ipho_2010_q2.pdf There are many more IPHO questions available here: https://ipho.olimpicos.net/ References for the Chimney Physics question given by the IPHO: W.W. Christie, Chimney design and theory, D. Van Nostrand Company, New York, 1902. https://books.google.co.uk/books?id=kgk1AAAAMAAJ&redir_esc=y Schlaich, J., Bergermann, R., Schiel, W. and Weinrebe, G. (2005) Design of Commercial Solar Updraft Tower Systems—Utilization of Solar Induced Convective Flows for Power Generation. Journal of Solar Energy Engineering, 127, 117-124. http://dx.doi.org/10.1115/1.1823493 Produced by Dr Tom Crawford at the University of Oxford. Tom is Public Engagement Lead at Oxford University Lifelong Learning: https://www.conted.ox.ac.uk/profiles/tom-crawford For more maths content check out Tom's website https://tomrocksmaths.com/ You can also follow Tom on Facebook, Twitter and Instagram @tomrocksmaths. https://www.facebook.com/tomrocksmaths/ https://twitter.com/tomrocksmaths https://www.instagram.com/tomrocksmaths/ With thanks to Zhelyo @zhelyo_physics St Edmund Hall Oxford Lifelong Learning, University of Oxford International Physics Olympiad International Maths Olympiad Support Tom's work via Patreon here: https://www.patreon.com/tomrocksmaths