A certain transverse wave is described by

y$($x$,$t$)=$Bcos$[2$$($xL$$t$)],$

where B $=5\mathrm{.}40$ mm$,$ L $=30\mathrm{.}0$ cm$,$ and $=3\mathrm{.}20102$ s$.$ Determine the wave's amplitude.

Express your answer in meters.

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A $=$

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Part B

Determine the wave's wavelength.

Express your answer in meters.

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$=$

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Part C

Determine the wave's frequency.

Express your answer in hertze