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Data Sheet

Doppler Shift Activity

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Doppler Effect :
Don't Loose Your Marbles-Are You Coming or Going?

Student Activity Reporting/Data Sheet

  • Names on Team
    ________________________________
    ________________________________
    ________________________________

  • Calculation of frequency of marbles rolling down track:
    • Stationary "receiver"
      Number of marbles _____________
      Time ___________
      Calculated Frequency ___________________

    • "Receiver" moving toward the "source"
      Number of marbles _____________
      Time ___________
      Calculated Frequency ___________________

    • "Receiver" moving away from the "source"
      Number of marbles _____________
      Time ___________
      Calculated Frequency ___________________

    Note:
    Frequency (f) = # of marbles (mar) divided by # of seconds (sec)

    Or: f = mar/sec

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