Physics Physics Practice Problems Solutions Library

# The Doppler Effect Solutions Library

Access 12 The Doppler Effect video and text solutions to help you complete your homework. Need to revisit the concept? Watch our The Doppler Effect learn videos.

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12 solutions

The Doppler Effect

#### Q. An opera singer in a convertible sings a note at 600 Hz while cruising down the highway at 100 km/h . The speed of sound n the air is 343 m/s. A) W...

Solved • Feb 9, 2021

The Doppler Effect

#### Q. You are standing on a tram station platform as a tram goes by close to you. As the train approaches, you hear the whistle sound at a frequency of f...

Solved • Dec 4, 2020

The Doppler Effect

#### Q. A student knows that an ambulance siren has a frequency of fs = 399 Hz. He measures, when the ambulance is approaching him.  The frequency fo = 414...

Solved • Aug 3, 2020

The Doppler Effect

#### Q. A student knows that an ambulance siren has a frequency of fs = 399 Hz. He measures, when the ambulance is approaching him.  The frequency fo = 414...

Solved • Jul 20, 2020

The Doppler Effect

#### Q. Suppose an oncoming ambulance moving at 115 km/h emits a steady 785-Hz sound from its sirenWhat frequency, in Hz, does she observe after the ambula...

Solved • Jul 17, 2020

The Doppler Effect

#### Q. Suppose an oncoming ambulance moving at 115 km/h emits a steady 785-Hz sound from its sirenWhat frequency, in Hz, is received by a person watching ...

Solved • Jul 16, 2020

The Doppler Effect

#### Q. Two eagles fly directly toward one another, the first at 15.0 m/s and the second at 20 m/s. Both screech, the first one emitting a frequency of 320...

Solved • May 21, 2020

The Doppler Effect

#### Q. A student knows that an ambulance siren has a frequency of fs =  396 Hz. He measures, when the ambulance is approaching him, the frequency fo = 417...

Solved • May 13, 2020

The Doppler Effect

#### Q. A police car is traveling at a speed vc to the right and a truck is traveling at a speed  vt to the right. The frequency of the siren on the police...

Solved • Oct 6, 2017

The Doppler Effect

#### Q. An ambulance is traveling North at 54.3 m/s, approaching a car that is also traveling North at 33.6 m/s. The ambulance driver hears his siren at a ...

Solved • May 18, 2017

The Doppler Effect

#### Q. An object emitting a sound at a constant frequency is thrown into the air. As the source travels up and back down again, the frequency you hear is ...

Solved • Mar 28, 2017

The Doppler Effect

#### Q. Two speakers, A and B, are moving towards each other with a closing speed of 30 m/s, meaning the distance separating the two speakers is decreasing...

Solved • Mar 24, 2017