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Re: [Phys-l] possible projectile lab



I have done this as a class project both as you describe and with a PASCO
projectile launcher set at an angle. It works very well. You have written
up a good enough lab right here.

Ken Fox

On Wed, Dec 16, 2009 at 8:44 AM, Souder Dwight <
souder.dwight@crestviewschools.net> wrote:

Soon, my physics students will be covering projectile motion. I've been
thinking of doing a new lab, but wanted to see if someone else had already
done it, and/or suggestions.

I'm thinking of having the students roll marbles down an incline, have it
roll across the lab table a short distance, and mark where it lands on the
ground (get an average of its landing distance).

From the information as to where it lands and the height of the lab table,
the students would then calculate its initial horizontal velocity.

Then comes the challenging part. I'm thinking of giving the students 2-4
rings (about 2-3 inches in diameter) and they would have to place them in
equal intervals of the marble's path, so that the marble passes through each
ring.

Has anyone done a similar lab? Any suggestions? If someone has already
done this, could someone email me their lab?

Thank you in advance,
Dwight


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