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22-10-2020
Physics

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Sarah hears the siren of an ambulance that is moving toward her. If the actual frequency of the siren is 2000 hertz; which frequency
washeard by Sarah?
OA. 1900
B. 2000
C. 1000
D. 2100

Sarah hears the siren of an ambulance that is moving toward her If the actual frequency of the siren is 2000 hertz which frequency washeard by Sarah OA 1900 B 2 class=

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22-10-2020

If the ambulance is moving towards her she will hear a higher frequency, so answer must be D) 2100 Hz

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