Thanks Sandy. Sounds like your math never got rusty like mine has!! :-) Still, that's fast enough to do damage. I guess we all have horror stories on some level of damaged equipment due to a fall of some sort.
Walt On Fri, Feb 12, 2010 at 9:48 AM, Sandy Harris <sandyinch...@gmail.com> wrote: > On 2/12/10, Walter Hamler <hamlerwal...@gmail.com> wrote: >> Is 12 stories far enough to reach terminal velocity? > > My back-of-the envelope math says no: > > 12 stories, say 12 feet/storey as a round number. 144 feet. > > s = 16 t**2, so t**2 = 9, t = 3, a 3 second fall > > v = 32 t so it is doing 96 feet/second when it hits, about > 65 miles an hour. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
