Poo vs Gravity
May 20, 2014 2:07 PM Subscribe
As a by-product of this FPP about a very large water slide
, have just been involved in an inconclusive and heated argument about the physics aspects. Hypothetically, what would happen if, halfway down this very fast waterslide in a raft, you (accidentally or deliberately, it doesn't matter) defecated?
posted by Wordshore to Science & Nature (13 answers total) 9 users marked this as a favorite
Would either, by the end of your ride:
1) The poo travel at the same momentum / speed as yourself, and therefore you would never leave it behind?
2) The action of defecation would add a negative acceleration to the poo relative to yourself, so you would, for a few seconds, increasingly gain distance over the poo. However, when the raft slows, your poo would catch up and be reunited with you?
3) As 2), but the poo never catches up with you as it never reached your peak non-poo velocity?
Assume (you can tell we have argued this out in detail):
1. You are naked i.e. the poo under consideration is not stopped or hindered by clothing.
2. Note the waterslide involves people sitting in a four person raft, simila to a logflume with a net overhead. You are at the very rear of the raft, and therefore the poo cannot simply fall into the same raft and accompany yourself for the remainder of the ride in that manner.
3. The poo is not affected / deaccelerated by the netting over the slide, it remains solid at all times, and is acted on by the same forces that act on the raft and yourself i.e. gravity and slide water.