Question: In a physics lab experiment, a compressed spring launches a 20 g metal ball at a 30 angle. Compressing the spring 20 cm causes the

In a physics lab experiment, a compressed spring launches a 20 g metal ball at a 30° angle. Compressing the spring 20 cm causes the ball to hit the floor 1.5 m below the point at which it leaves the spring after traveling 5.0 m horizontally. What is the spring constant?

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