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Q: When was the first police car or ambulance siren?
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If you are driving and you hear a siren coming what should you do?

move to the side and let the police, ambulance, or fire fighter car go through


What is the protocol when driving and hearing a police siren in the distance?

The protocol for drivers who hear police or ambulance sirens, in America at least, is to pull one's car over to the side of the road and stay idle until the cop car or ambulance is safely ahead.


How do you on the siren of a police car in gta vice city?

all you have to do is stop the car and get out of the car and listen to the police siren


Noise from Wailing siren of a police car?

weuweu


What is the name of the sound that goes of on the police car?

A siren.


Who invented the police car siren?

jhon robison


What do you do first when your in a car accident?

first don't panic, then make a move, call a police or ambulance then call your insurer


What do you here when the police car drives past?

a loud siren


The velocity of sound in air is 343 ms An ambulance is traveling east at 64.9 ms Behind it there is a car traveling along the same direction at 29.8 ms The ambulance driver hears his siren at a?

afrequency of the same as siren frequency as ambulance is the source and the observer this is not Doppler effect problem


What has a siren?

A police car, a fire truck, some buildings, and more


What is the siren on a police car called?

A Siren....but the different tones of a siren are Wail, Yelp, Hi-Lo, Hyper Yelp, and the Air Horn. Loudness of a siren is between 110-130 db


The changing pitch of a police's car siren as it moves by you is an example of what?

The Doppler effect