0.6 -0.41 s 0.5 VO 0.4 0.5 in. 0.3 0.2 0.12 in. 0.1 -0.1 0.2 0. 0.6 0.8 Time (s) -0.2 -0.3 (1) (2) Displacement (in.)
0.6 -0.41 s 0.5 VO 0.4 0.5 in. 0.3 0.2 0.12 in. 0.1 -0.1 0.2 0. 0.6 0.8 Time (s) -0.2 -0.3 (1) (2) Displacement (in.)
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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Question
A loaded railroad car weighing 30,000 lb is rolling at a constant velocity v0 when it couples with a spring and dashpot bumper system (Fig. 1). The recorded displacement–time curve of the loaded railroad car after coupling is as shown (Fig. 2). Determine (a) the damping constant, (b) the spring constant. (Hint: Use the definition of logarithmic decrement given in 19.129.)
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