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Discussion-17

# Discussion-17 - Simple Discussion#17 Ch.10.1 10.4...

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Simple Harmonic Motion Di i #17 Ch 10 1 10 4 Discussion #17 – Ch. 10.1 – 10.4 Physics 125 – Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] Office Hours: 2:00 4:00 / Mon & Tue in Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.

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Example #1 A spring is mounted horizontally, with its left end held stationary. By attaching a spring balance to the free end and pulling toward the right, we determine that the stretching force is proportional to the displacement and that a force of 6.0 N causes a displacement of 0.030 m . After allowing the spring to relax to its original length, we remove the spring balance and attach a 0.50-kg body to the end, pull it a distance of 0.020 m , release it, and watch it oscillate. What is the spring constant and its angular frequency frequency. 200 applied F N k 20 k rad 1 x m = = m s ω = =
Test #1 A spring is mounted horizontally, with its left end held stationary. By attaching a spring

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