Integrated Coordinated Science for the 21st Century
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Answers
Physics To Go
- a) The pitch increases.
b) The frequency increases.
- a) The pitch decreases.
b) The frequency decreases.
- a) The pitch of the motor noise decreases as the car moves by.
b-c) See graph in Background Information and graphs below.
- a) The shift in pitch and frequency would be greater.
b) The shift in pitch and frequency would be less. See graph below.
- a) Red light, because the product of wavelength and frequency is a constant.
b) Lower.
c) Lower.
d) Lower.
e) Away from us.
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