Question

In: Physics

An ambulance is traveling south at 50 m/s, away from a car that is traveling north...

An ambulance is traveling south at 50 m/s, away from a car that is traveling north at 30 m/s. The ambulance driver hears his siren at a frequency of 750 Hz. The velocity of sound is 343 m/s .

What frequency (in Hz) does the driver of the car hear the siren?

Solutions

Expert Solution

genius_generous answered 2 years ago
Next > < Previous

Related Solutions

A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at...
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at 15.o m/s. The cars stick together. Assume that any otherunbalanced forces are negligible. (Draw Diagrams) (a) What is the speed of the wreckage just after the collision? (b) In what directions does the wreckage move just after the collision? (c) What is the total Kinetick Energy before the collision? (d) What is the total Kinetic Energy after?
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at...
A 900-kg car traveling east at 20.0 m/s collides with a 750-kg car traveling north at 15.0 m/s. The cars stick together. Assume that any other unbalanced forces are negligible. (Draw Diagrams) (a) What is the speed of the wreckage just after the collision? (b) In what direction does the wreckage move just after the collision? (c) What is the total Kinetic Energy before the collision? (d) What is the total Kinetic Energy after?
A 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000...
A 1000 kg car traveling 60° south from east at 30 m/s collides with a 3000 kg truck traveling north at 20 m/s. The cars stick together after the collision. a) Is the momentum of the tr uck conserved before and after the collision? Why? b) Is the momentum of the car and tr uck together conserved before and after the collision? Why? c) Draw the velocity vector for the car before collision and write down the x and y...
A 1000. kg remote-controlled stunt car traveling at 17.0 m/s north collides with a 900. kg...
A 1000. kg remote-controlled stunt car traveling at 17.0 m/s north collides with a 900. kg remote-controlled stunt car traveling at 18.0 m/s east. What is the speed of the entangled cars immediately after the collision? 7.2 m/s 7.7 m/s 10.2 m/s 12.4 m/s
A car is traveling to the right with an initial speed of 20 m/s. The car...
A car is traveling to the right with an initial speed of 20 m/s. The car slows down to a stop in 25 seconds. What is the acceleration of the car?
A car traveling 37.0 m/s overtakes another car going only 21.0 m/s. When the faster car...
A car traveling 37.0 m/s overtakes another car going only 21.0 m/s. When the faster car is still behind the slower one, it sounds a horn of frequency 1400.0Hz. What is the frequency heard by the driver of the slower car?
A 2290 kg car traveling at 11.7 m/s collides with a 2620 kg car that is...
A 2290 kg car traveling at 11.7 m/s collides with a 2620 kg car that is initially at rest at the stoplight. The cars stick together and move 3.30 m before friction causes them to stop. Determine the coefficient of kinetic friction betwen the cars and the road, assuming that the negative acceleration is constant and that all wheels on both cars lock at the time of impact.
police car is traveling south towards the intersection that a robber’s car has just crossed traveling...
police car is traveling south towards the intersection that a robber’s car has just crossed traveling east. The robber’s car is currently traveling 55 mph. The police car’s speed is currently 63 mph. How is the distance between the cars changing when the cop is 1.2 miles from the intersection, and the robber is .5 miles from it? Be sure to answer in a complete sentence. 2. In calm water, an oil spill spreads out in a circular fashion. Suppose...
A 790-kg two-stage rocket is traveling at a speed of 6.60×103 m/s away from Earth when...
A 790-kg two-stage rocket is traveling at a speed of 6.60×103 m/s away from Earth when a predesigned explosion separates the rocket into two sections of equal mass that then move with a speed of 2.80×103 m/s relative to each other along the original line of motion What is the speed of each section (relative to Earth) after the explosion? Express your answers using three significant figures separated by a comma. V1,V2= What are the direction of each section (relative...
If 300 m away from an ambulance siren the sound intensity level is 65 dB, what...
If 300 m away from an ambulance siren the sound intensity level is 65 dB, what is the sound intensity level 30 m away from that ambulance siren? Specify your answer in units of decibel (dB).
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT