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Part E

A mass $m$ is attached to a spring of force constant $76\mathrm{.}0\frac{N}{m}$ and allowed to oscillate. The figure $($Figure $1)$ shows a graph of its velocity $v_x$ as a function of time $t.$

Figure

$1$ of $1$

Find the maximum acceleration of the mass.

Express your answer in $c\frac{m}{s^2}$ to three significant figures.

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Part F

Find the times at which the maximum acceleration occurs in the interval between $t=0s$ and $t=1\mathrm{.}8s$ including the endpoints.

Express your answer in seconds to three significant figures. If there is more than one value, please enter your answers in ascending order separated with commas.

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