Talk:Rüchardt experiment

Eq. 6 and 7 of the Experiment Section
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)
 * Ok. scope_creep (talk) 01:43, 9 February 2017 (UTC)