12-161. If a particles position is described by the polar
Chapter 12, Problem 12-161(choose chapter or problem)
12-161. If a particles position is described by the polar coordinates /- = 4(1 + sin t) m and 0 = (2e~) rad, where t is in seconds and the argument for the sine is in radians, determine the radial and tangential components of the particles velocity and acceleration when / = 2 s.
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