Re: buoyant bullets.

["Richard W. Tarara" <rtarara@saintmarys.edu>]

Well for n = 2 with b correct, then I don't see why there would be any
difference in my model between between dropping the bullet and firing the
bullet.  What couples the motion such that the vertical falls are not
identical?   I have assumed that the 'lift' people have been referring to is
an effect such as described for airfoils and not wishing to reenter the
Bernouli/Magnus/momentum debate was looking only at the effect of a simple
air resistance model.

Rick


-----Original Message-----
From: John Mallinckrodt <ajmallinckro@CSUPomona.Edu>

I Wrote
> OF COURSE, because of the lack of aerodynamic modeling, the dropped bullet
> would take the same time to hit the ground as the fired bullet in both
these
> cases since the vertical motion is modeled as independent of the
horizontal.


John replies
I don't follow this.  If you have modeled a projectile subject to
nonlinear drag as having independent vertical and horizontal
motions, you have simply made a mistake in writing out the force
terms.

John
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