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| 1. |
What is the natural frequency of a cylinder having mass 7 kg and radius 22 cm that is connected to a spring of stiffness 6 kN/m at the center of the cylinder and rolls on a rough surface? |
| A. | 2.4 Hz |
| B. | 4.8 Hz |
| C. | 6.4 Hz |
| D. | 3.8 Hz |
| Answer» E. | |