A buzzer with frequency f0 is thrown straight upwards. On the buzzer's trip down, what is the frequency behavior heard by an observer below?

a. The frequency heard is still f0.
b. The frequency is a constant one greater than f0.
c. The frequency is an increasing one greater than f0.
d. The frequency is a decreasing one less than f0.


c

Physics & Space Science

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A) Hawaii B) the Himalayas C) the Appalachians D) California

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The magnetic and rotational north poles on Earth are the same

Indicate whether the statement is true or false

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