9. A mass of 20 g stretches a spring 5 cm. Suppose that the mass is also attached to a viscous damper with a damping constant of 400 dyn-s/cm. If the mass is pulled down an additional 2 cm and then released, find its position u at any time r. Plot u versus r. Determine the quasi frequency and the quasi period. Determine the ratio of the quasi period to the period of the corresponding undamped motion. Also find the time r such that ju(r)| < 0.05 cm for all /> t.
9. A mass of 20 g stretches a spring 5 cm. Suppose that the mass is also attached to a viscous damper with a damping constant of 400 dyn-s/cm. If the mass is pulled down an additional 2 cm and then released, find its position u at any time r. Plot u versus r. Determine the quasi frequency and the quasi period. Determine the ratio of the quasi period to the period of the corresponding undamped motion. Also find the time r such that ju(r)| < 0.05 cm for all /> t.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![29. A mass of 20 g stretches a spring 5 cm. Suppose that the mass is also attached to a viscous
damper with a damping constant of 400 dyn-s/cm. If the mass is pulled down an additional
2 cm and then released, find its position u at any time r. Plot u versus r. Determine the quasi
frequency and the quasi period. Determine the ratio of the quasi period to the period of
the corresponding undamped motion. Also find the time r such that Ju(r)] < 0.05 cm for
all />t.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa50a54b3-56fc-4b0f-88a5-2dce1c534bc7%2Fe3e51f95-5fe2-4e2d-8fc6-cb2111aa5847%2Fhm4udw7_processed.jpeg&w=3840&q=75)
Transcribed Image Text:29. A mass of 20 g stretches a spring 5 cm. Suppose that the mass is also attached to a viscous
damper with a damping constant of 400 dyn-s/cm. If the mass is pulled down an additional
2 cm and then released, find its position u at any time r. Plot u versus r. Determine the quasi
frequency and the quasi period. Determine the ratio of the quasi period to the period of
the corresponding undamped motion. Also find the time r such that Ju(r)] < 0.05 cm for
all />t.
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