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at work we have a 6 storey flight of stairs, with a nice gap going all the way down. no matter how hard i try to drop a coin from the top to the bottom, it never falls straight, always drifts to one side or the other.why can i not drop the coin straight down the middle of the stair well?
Could it just be that the stair well is not completely perpendicular ? 
Quote from: neilep on 29/12/2007 18:08:31Could it just be that the stair well is not completely perpendicular ? I assume that's the case of the Pisa Tower, for example 
I did say it would have the best chance. i.e. eliminating the main factor on release. What it does after it has a high speed is another matter. How fast would you suggest it would need to be falling before the aerodynamics would be significant? Would that speed be after one storey or ten?This a typical NS topic; very open ended.. How wide is the gap and how high is the building AND which coin?
happy new year and avoid any falling coins. stick to banknotes.