[Phys-L] Re: Energy & Projectile Lab

[Marc Kossover <zeke_kossover@YAHOO.COM>]

--- "Dwight K. Souder"
<crvhs_dks@CRESTVIEW-RICHLAND.K12.OH.US> wrote:

> I also like Stacy Kissel's suggestion of placing
> hoops through the path of
> the projectile.  That would be an interesting
> activity.

If I am not mistaken, there is a plate in Newton's
Principia Mathematica of a marble moving through a
series of hoops at a changing angle to demonstrate the
path of the ball.

By the way, the iron rings that chemistry teachers use
for bunsen burners make great hoops as well as slices
of PVC pipe. Drill a hole in the side to attach a
wooden dowl.

Marc "Zeke" Kossover
The Jewish Community High School of the Bay



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