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the siren of a stationary

the siren of a stationary police car emits sound waves of wavelength 0.55m with its siren on the police car bow approaches a
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The frequency of a stationary siren is 1500 Hz when measured by a stationary observer. If an observer moves away from the siren
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2. asked by Andrea
3. 577 views
the siren of a stationary police car emits sound waves of wavelength 0.55m with its siren on the police car bow approaches a
1. 1 answer
2. 68 views
While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750
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2. asked by Anonymous
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While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750
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2. asked by Anonymous
3. 519 views
an ambulance is approaching a stationary observer. for the observer, the apparent frequency of the siren compared to the actual
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2. 112 views
A siren emits a sound of frequency 1200 kHz. With which frequency is it received by a car moving at a speed of 20 m/s.a) Away
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2. asked by Rita
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(b) Prepare Stationary Account from the following information.(i) Stationary in hand Rs. 5,000; (ii) Purchase new stationary
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2. asked by Harry
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Initially, you hear the siren at 90 dB. When the distance between you and the ambulance is a quarter of what it was initially,
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2. asked by Nadya
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A police car's siren has a frequency of 567-Hz while traveling at 24.8-m/s. If the car is coming toward you, and you are
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2. asked by Aubrey
3. 464 views