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I Kinematics 1D

  1. Feb 21, 2017 #1
    A bullet is fired into a block of wood at a speed of 200 m/s. Upon hitting the block of wood the bullet decelerates with magnitude 640,000 m/s2 and the block accelerates with magnitude 360,000 m/s2. When the bullet and block obtain the same speed the accelerations stop. At this point, the bullet is inside the block, moving with the block.
    (a) What is the speed of the bullet and block after the accelerations stop?
     
  2. jcsd
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