physics

a bullet moving with velocity of 100m/s pierces a block of wood and moves out with a velocity of 10m/s.if the thickness of the block reduces to one half of the previous value,what will be the emerging velocity of the bullet?

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  2. 👎 0
  3. 👁 174
  1. 71.1 m/s

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    2. 👎 0
  2. 71.1

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