17. Periodic Motion
Simple Harmonic Motion of Vertical Springs
8:14 minutes
Problem 15h
Textbook Question
Textbook QuestionScientists are measuring the properties of a newly discovered elastic material. They create a 1.5-m-long, 1.6-mm-diameter cord, attach an 850 g mass to the lower end, then pull the mass down 2.5 mm and release it. Their high-speed video camera records 36 oscillations in 2.0 s. What is Young's modulus of the material?
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