A spring with spring constant $60$ N$/$mN$/$m is suspended from the ceiling with a $2\mathrm{.}0$ kgkg wood block hanging from the bottom. When a $10$ gg bullet is fired vertically upward into the block, stopping inside, the block begins to oscillate with its highest point $60$ cmcm above its initial level.

Part A

What was the speed of the bullet?

Express your answer with the appropriate units.

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$($vi$)$b$($vi$)$b $=$

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