Aerospace Engineering > GATE 2017 > Vibrations
A 2-DOF undamped spring-mass system with two masses and two springs has natural frequencies ω1=0.79 rad/s and ω2=1.538 rad/s. The mode shapes for the system are given by φ1=[0.732 1]T and φ2=[-2.73 1]T If the first mass is displaced by 1 cm, the minimum displacement in cms to be given to the second mass to make the system vibrate in first mode alone is _______ (in three decimal place).
Correct : 1.360 to 1.370
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