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Homework Help: Ping-pong ball launcher

  1. Feb 10, 2007 #1
    im trying to build a ping-pong ball launcher and i cant figure out how many degrees to elevate it or how long to cut the tube. has anyone done this before and if u have help me! also if u have any ideas that woud be extremely helpful as well. if u help me with mine ill help u with urs.
  2. jcsd
  3. Feb 10, 2007 #2
    also it has to shoot 12 ft into three coffee cans from the launcher table. if i cut the tube im going to launch it out of 1ft 6in long & elevate it at a angle 6in off the table wound it reach the cans on target?
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