Re: [Phys-L] coffee

[Anthony Lapinski <alapinski@pds.org>]

Yes, I get the obvious lid idea. I was asking about an open/ceramic coffee
cup that most people use. Step frequency vs diameter and depth of
cup? Should the arms also move to minimize sloshing? etc.

On Fri, Jan 31, 2020 at 11:41 AM Strickert, Rick <
rstrickert@signaturescience.com> wrote:

> ... or one could use a coffee cup with a lid.    That solves the problem
> of resonance and bumping into someone around the corner.
>
> Rick Strickert
> Austin, TX
>
> -----Original Message-----
> From: Phys-l <phys-l-bounces@mail.phys-l.org> On Behalf Of Ron Mcdermott
> via Phys-l
> Sent: Friday, January 31, 2020 10:38 AM
> To: Phys-L@phys-l.org
> Cc: Ron Mcdermott <rmcder@gmail.com>; phys-l@mail.phys-l.org
> Subject: Re: [Phys-L] coffee
>
> I would think the primary thing would be to alter cadence so you are not
> setting up a resonance.
>
> Sent from my iPhone
>
> > On Jan 31, 2020, at 10:57 AM, Anthony Lapinski <alapinski@pds.org>
> wrote:
> > Now that I have your attention!
> >
> > I see faculty walking past my room with their coffees every morning.
> > Is there an optimal walking frequency (speed) to minimize the liquid
> > from sloshing back and forth and spilling over? I imagine this depends
> > on the leg length, diameter of cup, depth of cup, etc.
> >
> > P.S. I've never had coffee, but I'm curious about this sloshing
> phenomenon.
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