159 citations · 616 across the 14 of their papers we have counts for
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physics.ed-ph2013
Frictionless Racquetball?
Robert Brashear, Kevin Kim, Carolina Santos +1
When a ball hits a surface, does the angle of reflection always equal the angle of incidence? Not at all! Depending on the interplay of the ball's spin and speed and the force of f…
physics.ed-ph2011
Non-Cartesian Thinking
Mikhail Kagan
As we typically teach in an introductory mechanics course, choosing a "good" reference frame with convenient axes may present a major simplification to a problem. Additionally, kno…