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Integrated Coordinated Science for the 21st Century

Active Physics
+ Chapter 6
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Answers
Physics To Go
  1. a) The pitch increases.
    b) The frequency increases.
  2. a) The pitch decreases.
    b) The frequency decreases.
  3. a) The pitch of the motor noise decreases as the car moves by.
    b-c) See graph in Background Information and graphs below.pitch





















  4. a) The shift in pitch and frequency would be greater.
    b) The shift in pitch and frequency would be less. See graph below.
  5. a) Red light, because the product of wavelength and frequency is a constant.
    b) Lower.
    c) Lower.
    d) Lower.
    e) Away from us.