Consider a diver weighing $200-lb$ at the end of a diving board that cantilevers out $3-ft.$ The diver oscillates at a frequency of $2$ Hz $.$ What is the flexural rigidity EI of the diving board?

The packaging for an instrument can be modeled as shown, in which the instrument of mass $m$ is restrained by springs of total stiffness $k$ inside a container; $m=101\frac{g}{g}$ and $k=50l\frac{b}{i}n.$ The container is accidentally dropped from a height of $3$ ft above the ground.