Frankly I think your trying to hit a target of ever changeing volicity with a single answer. How are your students to judge the speed of the tip in a novice learning situation.
Frankly I think your trying to hit a target of ever changeing volicity with a single answer. How are your students to judge the speed of the tip in a novice learning situation.
Capt. Paul Darby Dont wait to be ask, get out and teach.