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debadutta mishra Grade: 11
        

A rod of length L is hinged from one end.It is brougt to horizontal position and then released. the angular velocity of the rod when it is in vertical positon

6 years ago

Answers : (1)

vikas askiitian expert
510 Points
										

wrt initial position of rod , when roD is verticle then center of mass of rod has fallen a height of L/2.....


now , applying conservation of energy


  change in (kE) = difference in potential energy


               IW2/2 = mgdh


              (mL2/3)(W2/2) = mg(L/2)                   


             W =(3g/L)1/2


 Irod = mL2/3 , dh = L/2

6 years ago
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