A sinusoidal wave with wavelength $0\mathrm{.}400$ m travels along a string. The maximum transverse speed of a point on the string is $3\mathrm{.}00$ m$/$s and the maximum transverse acceleration is $8\mathrm{.}30104$m$/$s$2.$

Part A

What is the propagation speed v of the wave?

Express your answer with the appropriate units.

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v $=$

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Part B

What is the amplitude A of the wave?

Express your answer with the appropriate units.