5) A rail road bumper is designed as a spring in parallel with a viscous damper.What is the bumper's damping coefficient such that the system has a damping ratioof 1.25, when the bumper is engaged by a rail car of 20000 kg mass. The stiffness ofthe spring is 2E5 N/m. If the rail car engages the bumper, while traveling at a speedof 20m/s, what is the maximum deflection of the bumper?fooooE

Answered: Image /qna-images/answer/5f91f1f3-661b-442f-a038-7b50c611170f.jpg

5) A rail road bumper is designed as a spring What is the bumper's damping coefficient such of 1.25, when the bumper is engaged by a rail e the spring is 2E5 N/m. If the rail car engages the of 20m/s, what is the maximum deflection of the E

5) A rail road bumper is designed as a spring What is the bumper's damping coefficient such of 1.25, when the bumper is engaged by a rail e the spring is 2E5 N/m. If the rail car engages the of 20m/s, what is the maximum deflection of the E

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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Concept explainers

Free undamped vibrations

Whenever an object/system displaces in either side of its equilibrium position with the help of an external/internal means, then the object/system moves regularly or randomly on both sides of its equilibrium position. This motion is called vibration. Generally, there are three types of vibration: longitudinal vibration, transverse vibration, and torsional vibration.

Question

5) A rail road bumper is designed as a spring in parallel with a viscous damper.
What is the bumper's damping coefficient such that the system has a damping ratio
of 1.25, when the bumper is engaged by a rail car of 20000 kg mass. The stiffness of
the spring is 2E5 N/m. If the rail car engages the bumper, while traveling at a speed
of 20m/s, what is the maximum deflection of the bumper?
foooo
E

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