Question: centripetal (centrifugal) calculations with units problem, uniform circular motion


Attached is a simple worksheet dealing with units and angular motion.   I need to reverse calculate from an acceleration to the uniform motion (rad/sec or RPM) which is used in forces and FEA simulation.

The initial units work fine and get to a velocity (feet/sec) but then fail to convert to rad/sec or RPM.   The attached shows the results of units Hz (1/sec) and the problems with resolving to RPM or rad/sec.   the unit (length / length (radius)) as an answer stil confounds me.

Any help greatly appreciated,

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