In a physics lab experiment, a compressed spring launches a $29$ gg metal ball at a $35$ angle. Compressing the spring $15$ cmcm causes the ball to hit the floor $1\mathrm{.}9$ mm below the point at which it leaves the spring after traveling $5\mathrm{.}4$ mm horizontally.

Part A

What is the spring constant?

Express your answer with the appropriate units.

View Available Hint$($s$)$for Part A

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