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Position, Velocity and acceleration

  1. Oct 3, 2007 #1

    I'm new member and I would like to ask 2 questions:

    1) Explain why an object too far from the motion detector will produce an incorrect distance reading?

    2) Explain why we only consider one-dimesional motion when using a single motion detetor. Based on the definition of velocity, describe what you should observe in the velocity vs. time graph if you were measuring a stationary, distant object and you suddenly slid an object into the beam from the side.
  2. jcsd
  3. Oct 3, 2007 #2


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    Be aware that you are expected to first provide your attempt at these homework-type questions.
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