A $2\mathrm{.}41-$kg ball is attached to an unknown spring and allowed to oscillate. The figure below $($Figure $1)$ shows a graph of the ball's position $\backslash ($ x $\backslash )$ as a function of time $\backslash ($ t $\backslash ).$

Part A

For this motion, what is the period?

Express your answer in seconds to two significant figures.

$\backslash [$

T$=$

$\backslash ]$

Part B

What is the frequency?

Express your answer in hertz to three significant figures.

Figure