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kostantina
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Homework Statement
I'm trying to follow a solved example in the book. I understand everything except one "trivial" (for most of you) analysis of the tangent velocity vector v_b. Because v_b is unknown it is written as its magnitude times the direction it follows constrained in a circular path.
However, my understanding of v_b written as in the picture followed is not tangent. That is the vector that describes the radius of the path, and not the perpendicular to the radius which will be the instantaneous velocity.
Homework Equations
Please see attached picture
The Attempt at a Solution
how is the equation given for v_b tangent to it? this is the vector describing the radius of the path?
Thank you
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