a$)$ Sketch two Slinky's: the first Slinky has a transverse pulse moving through it$,$ and

$2.$ the second Slinky has a longitudinal pulse moving through it$.($You may want to use Figures $8\mathrm{.}13$ on p$.401$ and $8\mathrm{.}17$ on p$.404$ from your textbook to help you.$)$

$(2)$

$3.$ The speed of sound in salt water is approximately $\backslash (1500\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash ).$ Humpback whales can vocalize sounds that range from $30$ Hz to $8000$ Hz $.$ What is the range of wavelengths that Humpback whales can vocalize?

$(2)$