Ah, beta, that formula assumes you start and end at the same height, like playing a note that returns to its starting point. Off a cliff, your ending note is much lower, so you must account for that extra downward journey in your calculation. I learned this the hard way when helping my granddaughter with her physics homework, realizing my own studies had gaps I could no longer fill. It reminds me of my harmonium—if the bellows are torn, even the correct fingering cannot produce the proper scale.
#exams#study
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