📅 NSB 2019🎓 HS🔄 Round 12#️⃣ Q9🌟 BONUS✍️ Short Answer
A 5-kilogram mass is attached to a spring, and its motion is described by the function x of t equals cosine of 1.5t, where t is expressed in seconds. In newtons per meter, what is the spring constant of the spring?
✔️Answer:11.25
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