Determine the ambulances speed from these observations

Reference no: EM13539634

Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 455 Hz. Determine the ambulance's speed from these observations.
km/h

Reference no: EM13539634

Questions Cloud

Find the fundamental frequency : Find the fundamental frequency and the next three frequencies that could cause a standing-wave patterns on a string that is 26.0 m long, has a mass per length of 9.00 10-3 kg/m, and is stretched to a tension of 24.0 N.

Differences between online and traditional learning : What do the words data and technology mean in the context online education and how can an online instructor make the teaching and learning experience more human and personal?

Determine through what angle has the wheel turned : On a certain game show, contestants spin a wheel when it is their turn. One contestant gives the wheel an initial angular speed of3.10rad/s. Through what angle has the wheel turned when its angular speed is1.55rad/s

What is the international accounting standards board : What is the International Accounting Standards Board (IASB)? What does it do? Why was it created? Is it effective? What suggestions for improvement do you have?

Determine the ambulances speed from these observations : Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 455 Hz. Determine the ambulance's speed from these observations.

Determine how much work would be required to stop the ball : A .4 kg ball has a velocity of 25 m/s, what is the kinetic energy of the ball & how much work would be required to stop the ball

How were the problems resolved : What communication issues did you encounter in your group? How were the problems resolved?

Find the force constant of the spring : A 8.00 kg object is hung from the bottom end of a vertical spring fastened to an overhead beam. The object is set into vertical oscillations having a period of 2.90 s. Find the force constant of the spring.

What is the rate of heat conduction through the wooden floor : A cabin has a 0.159 m thick wooden floor ( k=0.141 W / (m x Co)) with an area of 13.4 m2. What is the rate of heat conduction through the wooden floor

User Account

All Pages