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A bulet of mass m and velocity v strikes a mass M connected to a spring (k=spring constant) [the spring is placed horizontaly and other end is fixed.]and get embeded to it . Find the amplitude of oscilation.

6 years ago

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Answers : (2)

										

first applying conservation of momentam


 mv = (M+m)Vf


 Vf = mv/m+M  


now , kinetic energy of block + mass = KE


   KE = (m+M)Vf2 /2


  this system will stop moving when its all KE is converted into PE


 so , KE = PE


      KX2 = (M+m)Vf2


       X =[ m2v2 /(M+m)K ]1/2  = max amplitude

6 years ago
										

please approve my answers if they are correct

6 years ago

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