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a siren has a frequency

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
3. 785 views
You're in an auto traveling at 25.0m/s toward a pole mounted warning siren. If the siren's frequency is 365 Hz, what frequency
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2. asked by jess
3. 1,243 views
A sound of constant frequency is produced by the siren on top of a firehouse. Compared to the frequency produced by the siren,
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2. asked by Darren
3. 1,262 views
an ambulance is approaching a stationary observer. for the observer, the apparent frequency of the siren compared to the actual
1. 1 answer
2. 126 views
An ambulance has just passed by your home. You detect that the frequency of the receding siren is900.0 Hz. If you know that the
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2. 106 views
The siren in an ambulance has a frequency (according to you) of 1100 hz as it moves towards you at a speed v. It then makes a
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2. asked by J Velji
3. 843 views
the siren of a burglar alarm system has a frequency of 960 Hz. During a patrol, a security officer, travelling in his car, hears
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2. asked by khonka mayile
3. 73 views
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. 618 views
The siren of an ambulance has a frequency f=500 Hz. A pedestrian standing on asidewalk listens to this siren as the ambulance
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2. asked by Jamie
3. 781 views
A marine siren consists of a cylinder 72 cm in length closed at one end.for sound through air at 336 m/s. find the lowest
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2. asked by omar
3. 554 views