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A small putty ball of mass 2m is thrown horizonatally at a rod of 3m and lenth L which pivots freely about about fixed axis throught one end . The puty ball is thrown with velocity v at the free end of the rod, to which it sticks ,
1) what is angular velocity of the rod after the putty sticky to it ?
2) which of following quatites of the ball plus rod system are conserved in this collisoin?
A kinectic energyB Linear momentumC neither
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You are standing at a distance d from a speaker that emits sound waves in all directions. You walk 25.0 m towardthe speaker and observe that the intensity of the sound hasdoubled. Determine the distance d. Ignore the factthat the sound waves will ref..
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