Homework Statement
A centripetal-acceleration addict rides in uniform circular motion with period T = 4 s and radius r = 3.00 m. At one instant his acceleration is a = (7.00 m/s2)i + (-3.00 m/s2)j . At that instant, what are the following values?
(a) v·a
(b) r x a
Homework Equations
2∏r/T...