Re: [Phys-L] elastic collisions

[bernard cleyet <bernardcleyet@redshift.com>]

My confusion is thinking some of the energy of the incident object is transferred into angular momentum.   Linear momentum is still conserved?  


The animation works well, but is of two point masses, so no spin.


bc 


> On 2016/Dec/03, at 17:07, Surendranath via Phys-l <phys-l@mail.phys-l.org> wrote:
>
> The result can also be arrived at using
> V1 f- V2f = V2i - V1i (coefficient restitution is 1 for perfectly elastic
> collisions)
> I would teach this after the students are initially exposed to conservation
> of momentum and KE and have worked out a few problems using those ideas.
> The bring in the idea of coefficient of restitution, use that in a few
> problems and finally V1f = 2Vcm - V1i
>
> Please take a look at this animation.
>
> http://www.surendranath.org/GPA/Dynamics/Collisions/Collisions.html <http://www.surendranath.org/GPA/Dynamics/Collisions/Collisions.html>
>
> Best Wishes,
>
> Surendranath
>
> www.surendranath.org <http://www.surendranath.org/>
> www.youtube.com/user/Surendranath1954 <http://www.youtube.com/user/Surendranath1954>
> https://play.google.com/store/search?q=pub:Surendranath.B <https://play.google.com/store/search?q=pub:Surendranath.B>.