Friday Night Masters' Question

[jim ivey]

Matt
What you said I don't understand, because if the first roll starts at horizontal and ends at KE and the next 1/4 roll starts at KE and ends at horizontal the center isn't in the middle of KE.

Am I DUH?
Jim Ivey
----- Original Message -----
From: Rcmaster199 at aol.com
Sent: Friday, June 20, 2003 10:06 PM
To: discussion at nsrca.org
Subject: Re: Friday Night Masters' Question

In a message dated 6/20/2003 9:48:00 PM Eastern Daylight Time, geobet at gis.net writes:



Subj:Re: Friday Night Masters' Question  
Date:6/20/2003 9:48:00 PM Eastern Daylight Time
From:geobet at gis.net
Reply-to:discussion at nsrca.org
To:discussion at nsrca.org
Sent from the Internet  



Jim,  
I think this one's the end of the K.E.portion of the roll, just at the point when you initiate the second half of the roll.  
Georgie jim ivey wrote:  

Sorry Bob I miss read your question. I think knife edge is center of the 4 of 8 point. Now Let me ask. Where is center of the cuban 8 with 2 of 4 points. My last thread refers to this question.Jim  Ivey   

----- Original Message -----







Georgie,

Any roll starts and ends with a rolling element.  

The 2 of 4 starts the instant the first 1/4 roll is started and ends the instant the second 1/4 roll ends.  

Split the distance between those two events and you have the middle of the knife edge, however short or long it may be.

matt  
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