Question

A driver travels northbound on a highway at a speed of 24.0 m/s. A police car,...

A driver travels northbound on a highway at a speed of 24.0 m/s. A police car, traveling southbound at a speed of 31.0 m/s, approaches with its siren producing sound at a frequency of 2400 Hz.

(a) What frequency does the driver observe as the police car approaches? Hz

(b) What frequency does the driver detect after the police car passes him? Hz

(c) Repeat parts (a) and (b) for the case when the police car is traveling northbound.

while police car overtakes Hz ?

after police car passes?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A convertible with the top down is traveling north on a road at a speed of...
A convertible with the top down is traveling north on a road at a speed of 27.0 m/s. An ambulance, traveling south at a speed of 47.0 m/s, approaches with its siren producing sound at a frequency of 2450 Hz. (Enter your answers in Hz. Assume that the speed of sound in air is 343 m/s.) (a) What frequency does the driver of the convertible observe as the ambulance approaches? (Enter your answer to the nearest integer.) Hz (b) What...
A motorcyclist is traveling north on a road at a speed of 29.0 m/s. A fire...
A motorcyclist is traveling north on a road at a speed of 29.0 m/s. A fire truck, traveling south at a speed of 49.0 m/s, approaches with its siren producing sound at a frequency of 2550 Hz. (Enter your answers in Hz. Assume that the speed of sound in air is 343 m/s.) (a) What frequency does the motorcyclist observe as the fire truck approaches? (Enter your answer to the nearest integer.) (b) What frequency does the motorcyclist detect after...
A truck moving at 36 m/s passes a police car moving at 45 m/s in the...
A truck moving at 36 m/s passes a police car moving at 45 m/s in the opposite direction. The frequency of the sound emitted by the siren on the police car is 500 Hz and the speed of sound in air is 343 m/s. (a) What is the frequency heard by an observer in the truck as the police car approaches the truck? (b) What is the frequency heard by an observer in the truck after the police car passes...
A police car moving at 67 m/s is initially behind a truck moving in the same...
A police car moving at 67 m/s is initially behind a truck moving in the same direction at 23 m/s. The natural frequency of the car's siren is 715Hz. The change in frequency observed by the truck driver as the car overtakes him is _____Hz
A police car sounding a siren with a frequency of 1600 Hz is traveling at 115...
A police car sounding a siren with a frequency of 1600 Hz is traveling at 115 km/h . What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? What frequencies are heard in a car traveling at 90.0 km/h in the opposite direction before and after passing the police car? The police car passes a car traveling in the same direction at 80.0 km/h. What two frequencies are heard in this...
A police car sounding a siren with a frequency of 1640 Hz is traveling at 115...
A police car sounding a siren with a frequency of 1640 Hz is traveling at 115 km/h What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? What frequencies are heard in a car traveling at 90.0 km/h in the opposite direction before and after passing the police car? The police car passes a car traveling in the same direction at 80.0 km/h. What two frequencies are heard in this car?
A police car sounding a siren with a frequency of 1640 Hz is traveling at 115...
A police car sounding a siren with a frequency of 1640 Hz is traveling at 115 km/h . What frequencies does an observer standing next to the road hear as the car approaches and as it recedes? What frequencies are heard in a car traveling at 90.0 km/hkm/h in the opposite direction before and after passing the police car? The police car passes a car traveling in the same direction at 80.0 km/hkm/h. What two frequencies are heard in this...
A police car with a siren of 300 Hz. is moving toward a warehouse at 30...
A police car with a siren of 300 Hz. is moving toward a warehouse at 30 m/s. What frequency does the driver hear reflected from the warehouse? The speed of sound is 343 m/s.
A police car, traveling a constant 100 km/h, is passed by a speeder. Precisely 1.1 s...
A police car, traveling a constant 100 km/h, is passed by a speeder. Precisely 1.1 s after the speeder passes, the policeman step on the accelerator. The police car acceleration is 3 m/s 2 . The policeman overtakes the speeder after 6s, what was the speeder’s speed?
A police car, traveling a constant 100 km/h, is passed by a speeder. Precisely 1.1 s...
A police car, traveling a constant 100 km/h, is passed by a speeder. Precisely 1.1 s after the speeder passes, the policeman step on the accelerator. The police car acceleration is 3 m/s2. The policeman overtakes the speeder after 6s, what was the speeder’s speed?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT