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pallavi pradeep bhardwaj Grade: 12
        

The amplitude of a damped osscilator is become half on one minute.The amplitude after 3 minute will be 1/X times the original where X is

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Pallavi


Equation of under damped vibration is given as


y=Ye-ξωnt sin(wdt +Φ )


where is a amplitude at perticular time


at t=1 sec




Y/2 =Ye-ξωn


or 1/2 =e-ξωnt




now at t= 3 sec


Y'=Ye-ξωn3


   =Y(1/2)3


    =Y/8


 so X=8 answer





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7 years ago
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