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Re: [Phys-L] Video Analysis of Album Cover Flight and Glider Stall

Based on my limited experience with paper airplanes, that looks reasonable
to me. A paper plane glides across the room until it slows to stall
speed. Then takes a sharp dive toward the floor.

I googled "aircraft stall" and found this article from NASA:
It's not about a glider. But the stall of a real aircraft and automatic
control systems. See the diagram on page 32.


On Thu, Feb 6, 2020 at 10:22 AM Steinert, Jeff <> wrote:

This is likely a question for JD, but all responses are appreciated:

My students are using video analysis in Logger Pro to explain the flight of
a projectile of their own choosing. One has flown an album cover and
produced a rather complicated trajectory that can be viewed here:

I searched the net for a graphical depiction of the trajectory for a
stalling glider with no luck and I'd like to give my student a place to
start in her search for an explanation using the forces acting on her album
cover. Does the above plot resemble what you'd expect to see for a stalling
glider? Something else?


Jeffrey J. Steinert
Physics Instructor
11th Grade Team Leader
Science Department Co-Chair
NHS Adviser

Arizona School for the Arts
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performing arts. *
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