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Re: dropped slinky



Boo=boo!

Of course
"a = (M + m)/(mg)." should read:

"a = (M + m)g/m " .

Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
http://www.velocity.net/~trebor
----- Original Message -----
From: "Bob Sciamanda" <trebor@VELOCITY.NET>
To: <PHYS-L@lists.nau.edu>
Sent: Friday, November 22, 2002 5:59 PM
Subject: Re: dropped slinky


| Consider a small mass m connected to a larger mass M by a string. Now you
| support the small mass m and let M hang below. When you release your
hold,
| m will accelerate at a = (M + m)/(mg). Just a re=wording of the previous
a
| = total weight/(mass of held portion). Note a spring is not essential - a
| string will do to emphasize this phenomenon.
| , , ,

This posting is the position of the writer, not that of SUNY-BSC, NAU or the AAPT.