Open Question: An ambulance is moving towards a doctor to deliver a sick patient. The ambulance siren has a frequency of 489?

Open Question: An ambulance is moving towards a doctor to deliver a sick patient. The ambulance siren has a frequency of 489?

Home >All Categories > Science & Mathematics >Physics >Open QuestionPat Pat Member since:April 11, 2011Total points:95 (Level 1)An ambulance is moving towards a doctor to deliver a sick patient. The ambulance siren has a frequency of 489 Hz and a velocity of 31 m/s. The speed of the doctor running towards the ambulance is 5 m/s. If the speed of sound is in air that day is determined to be 340 m/s, what is the frequency of the sound heard by the doctor?Answer Question

Buffalo Bob by Buffalo Bob Member since:March 14, 2011Total points:381 (Level 2)Look up "doppler effect" on wikipedia, you will find the answer there

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Open Question: is there such thing as er family doctor ?

Open Question: is there such thing as er family doctor ?

Home >All Categories > Science & Mathematics >Medicine >Open Questiondon't_know don't_kn... Member since:January 28, 2010Total points:56 (Level 1)what specilaty is the dude who treats all ages in the er ? just wondering cause i saw this movie and she was working in the er and thne there like become a familly doctor in th er ?Answer Question

jim by jim Member since:September 15, 2009Total points:1,329 (Level 3)er doctors can be can specialize in emergency medicine or have no specialty and just be a general practitioner

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