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B Momentum transfer from linear to angular motion

  1. Nov 20, 2017 #1
    I am trying to create a momentum trap to calculate the velocity of a projectile when it hits the trap. It essentially consists of a plate if known mass at the bottom of a pendulum of known radius. When the projectile hits the plate, the degrees that the pendulum rotates are recorded. I believe my physics are correct, but I am struggling with the math to figure out how to translate those 3 pieces of information into linear velocity. Please help.
  2. jcsd
  3. Nov 20, 2017 #2
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