. What is the bumper's damping coefficient (c) such that the sy amping ratio of ɛ =1.25, when the bumper is engaged by a rail 0 kg mass. The stiffness of the spring is k=2* 105 N/m. If the ra s the bumper, while traveling at a speed of v= 20m/s, what is t um deflection of the bumper ( x)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q1) A rail road bumper is designed as a spring in parallel with a viscous
damper. What is the bumper's damping coefficient (c) such that the system
has a damping ratio of ɛ =1.25, when the bumper is engaged by a rail car
of 20000 kg mass. The stiffness of the spring is k=2* 105 N/m. If the rail car
engages the bumper, while traveling at a speed of v= 20m/s, what is the
maximum deflection of the bumper ( x)
Transcribed Image Text:Q1) A rail road bumper is designed as a spring in parallel with a viscous damper. What is the bumper's damping coefficient (c) such that the system has a damping ratio of ɛ =1.25, when the bumper is engaged by a rail car of 20000 kg mass. The stiffness of the spring is k=2* 105 N/m. If the rail car engages the bumper, while traveling at a speed of v= 20m/s, what is the maximum deflection of the bumper ( x)
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