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'n Ambulans se sirene opereer by 'n frekwensie van 1,550 Hz. Watter frekwensie s...
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'n Ambulans se sirene opereer by 'n frekwensie van 1,550 Hz. Watter frekwensie sal jy waarneem indien jy teen 30.0 ms-1 nader aan die ambulans beweeg, terwyl dit stilstaan?
The predominant frequency of an ambulance’s siren is 1,550 Hz when at rest. What frequency do you detect if you move with a speed of 30.0 ms-1 toward the ambulance?
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