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Ch13_TestBank - Chapter 13 Vibrations and Waves CHAPTER 13...

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Chapter 13, Vibrations and Waves 182 C HAPTER 13 13.1 Hooke’s Law 1. The SI base units for spring constant are which of the following? a. kg·s 2 b. kg/m 2 c. kg/s 2 d. kg·m 2 2. A large spring requires a force of 150 N to compress it only 0.010 m. What is the spring constant of the spring? 3. A 0.20-kg object is attached to a spring with spring constant k = 10 N/m and moves with simple harmonic motion over a horizontal frictionless surface. At the instant that it is displaced from equilibrium by - 0.050 m, what is its acceleration? 4. Tripling the weight suspended vertically from a coil spring will result in a change in the displacement of the spring’s lower end by what factor? 5. Tripling the displacement from equilibrium of an object in simple harmonic motion will bring about a change in the magnitude of the object's acceleration by what factor? a. 0.33 b. 1.0 c. 3.0 d. 9.0
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