This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is ... (Read 67 times)

Chloeellawright

  • Hero Member
  • *****
  • Posts: 588
on: Jul 28, 2018
A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 hz. What is the change in the frequency (in Hz) heard by an observer in the moving car as he passes the police car? (The speed of sound in air is 343 m/s.)
 a. 416
  b. 208
  c. 105
  d. 52
  e. 552

Question 2

A car approaches a stationary police car at 36 m/s. The frequency of the siren (relative to the police car) is 500 Hz. What is the frequency (in Hz) heard by an observer in the moving car as he approaches the police car? (Assume the velocity of sound in air is 343 m/s.)
 a. 220
  b. 448
  c. 526
  d. 552
  e. 383


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ambernicolefink

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

D


Chloeellawright

  • Member
  • Posts: 588
Reply 2 on: Jul 28, 2018
Wow, this really help

Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

An octopus moving between tide pools during low tide An octopus moving between tide pools during low tide
Explaining “Moving Continents”— The Theory of Plate Tectonics Explaining “Moving Continents”— The Theory of Plate Tectonics
Buddhist philosophy allows for the idea of reincarnation, as the self passes from body to body. The ... Buddhist philosophy allows for the idea of reincarnation, as the self passes from body to body. The ...
A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico. A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico.
If the frequency equals 60 Hz in Figure 10-1, what is the value of capacitance? If the frequency equals 60 Hz in Figure 10-1, what is the value of capacitance?
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Eczema

For a complete list of videos, visit our video library