The discussion revolves around a quiz question involving a scenario with a seesaw and stones, focusing on the dynamics of motion and impact. Participants are exploring the implications of the setup, including who might be affected by the stone's movement and the calculations involved in understanding the mechanics at play.
Participants generally agree that A is at risk of being hit, but there is no consensus on the exact outcomes for the other characters involved. Multiple competing views remain regarding the mechanics of the situation and the calculations needed.
Assumptions about the fit of the notch and the distribution of momentum are not fully explored, and there are unresolved mathematical steps regarding the calculations mentioned.
What is your answer and why?swampwiz said:https://scontent-arn2-1.xx.fbcdn.net/v/t1.0-9/31131486_10155149285526260_4418766605865975808_n.jpg?_nc_cat=0&oh=53840620f886c5dab249cc2a8ff1010b&oe=5B4E8CA6
russ_watters said:What is your answer and why?
swampwiz said:I think that if anything, A gets hit, but the stone could roll all the way through (besides, A could duck). I'm presuming that the notch fits perfectly over D, and there would be only horizontal momentum going to the seesaw, and with the other stone being heavier (i.e., no notch), it would not crush C, and would vault over the other stone (because of the kinetic energy), clearing B as well.