Re: math in physics classes

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1 total messages Started by Lowell Herr Thu, 17 Jun 1993 13:15

#2040

Author: Lowell Herr
Date: Thu, 17 Jun 1993 13:15

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Just another comment on using component vectors.  Projectile motion comes
early in my course and component vectors is a very useful method for
analyzing PM problems.  Two-dimensional momentum-collision problems also
lend themselves to component vector analysis.

There are vector problems that when solved blindly using the Law of Sines
yields incorrect results.  There is a name for this situation (I always
check with a math colleague) but I now cannot think of it.  I have one
such problem that I will, on occasion, slip into a test.  Students need to
understand the physics in order to avoid the incorrect solution.

Lowell

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