Talk:Rüchardt experiment
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Eq. 6 and 7 of the Experiment Section
[edit]It is not explicitly stated why "dx" in Eq. 6 becomes "x" in Eq. 7. It might be worth including that this happens because x=0 is defined as the equilibrium position of the ball.Rfranda (talk) 00:49, 9 February 2017 (UTC)