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Consider the following two situations in which the siren of ambulance from Mankweng hospital produces a sound with a frequency of 900 Hz. Use 20.4k(m)/(m)in as the velocity of sound in Mankweng. Consider the following two situations. The ambulance is speeding at Vs/3 towards an injured person at Paledi mall The injured person is being rushed at Vs/3 to the waiting ambulance The frequencies of sound heard by the observers in the two situations are: _________.
Sagot :
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