Physics, 20.09.2020 06:01, gamerella101

10. A police car with its siren sounding is stationary in heavy traffic. A pedestrian notices that, although the loudness of the sound produced does not change, the pitch varies,
Which line in the table describes the amplitude and the frequency of the sound?
amplitude
frequency
varying
constant
constant
constant
varying
constant
D
varying
varying

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10. A police car with its siren sounding is stationary in heavy traffic. A pedestrian notices that,...