A spring with spring constant $17\mathrm{.}6\frac{N}{m}$ hangs from the ceiling. A ball is suspended from the spring and allowed to come to rest. It is then pulled down $10\mathrm{.}5$ cm and released. The ball makes $35\mathrm{.}0$ oscillations in $21\mathrm{.}0$ seconds.

Part A

What is the mass of the ball?

Express your answer with the appropriate units.

$m=$

$$

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Part B

What is the maximum speed?

Express your answer with the appropriate units.

$v=$

$$

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