# Physics

1. A person driving to the right and honks their horn. An observer standing behind the car, opposite its direction of motion would hear...(choose one)

a. Higher Pitch
b. Lower Pitch
c. Same pitch as the driver

1. 👍 0
2. 👎 0
3. 👁 120
1. Look up Doppler. This question is pretty elementary in that subject.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### physics

A car traveling at 22.1 m/s honks its horn as it directly approaches the side of a large building. The horn produces a long sustained note of frequency f0 = 235 Hz. The sound is reflected

asked by help me on April 2, 2011
2. ### Physics

A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the eat. A stationary observer is standing due east of the oncoming car. a) What frequency will he hear assuming that the speed of sound is

asked by Patty on February 3, 2013
3. ### physics

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km away. (a) What is the average power generated by the horn?

asked by Anonymous on December 4, 2012
4. ### A train sounds its horn as it approaches an inters

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km away. (a) What is the average power generated by the horn?

asked by Anonymous on December 4, 2012
5. ### Physics

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 42 dB by an observer 10 km away. (a) What is the average power generated by the horn? W (b) What intensity level of the horn's

asked by Jake on December 13, 2010

A student in a parked car honks the horn, which has a `proper' frequency of 320 Hz. An observer in an approaching vehicle measures the frequency of the sound to be 355 Hz. Calculate the speed of the approaching vehicle. Use 340

asked by Kelly on May 6, 2013
7. ### Physics URGENT!!!

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away. (a) What (b) What intensity level of the horns sound is observed by someone waiting at an

asked by Tia on December 4, 2012
8. ### Physics URGENT!!!

A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away. (a) What is the average power generated by the horn? (b) What intensity level of the horns sound

asked by Anonymous on December 6, 2012
9. ### DrBob222

A car moving at 16.0 m/s, passes an observer while its horn is pressed. Find the difference between the frequencies of sound heard when the car approaches and when it recedes from the stationary observer. The velocity of sound is

asked by Jon on April 5, 2008
10. ### Physics!!

A car moving at 16.0 m/s, passes an observer while its horn is pressed. Find the difference between the frequencies of sound heard when the car approaches and when it recedes from the stationary observer. The velocity of sound is

asked by sophie on April 4, 2009

More Similar Questions