Solved: While standing in an elevator, the man holds a
Chapter 22, Problem 22-11(choose chapter or problem)
While standing in an elevator, the man holds a pendulum which consists of an 18-in. cord and a 0.5-lb bob. If the elevator is descending with an acceleration \(a = 4 \ ft/s^{2}\), determine the natural period of vibration for small amplitudes of swing.
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