Re: [Phys-l] A Mechanics Question

[Brian Whatcott <betwys1@sbcglobal.net>]

At 12:06 PM 6/1/2008, Bob LaM., you wrote:

> ...it's a frisbee, not a point projectile. A frisbee flies. One 
> needs to know rotation rate, launch angle relative to two axes, air 
> density for the day, shape of frisbee, etc. - and after all that, 
> one still cannot solve the problem :-(
>
> Bob at PC


Yep, this was the sticking point for me too. I suggested the student 
ignore the "physics dress-up" and consider a slab sliding up a slope, 
with the computable effects on  energy, and thence, on departure velocity....



Brian Whatcott    Altus OK    Eureka!