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 40 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
YES! Correct, THANKS for helping me on my review

chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Frequency distribution curve: interpatient variability in drug response. Frequency distribution curve: interpatient variability in drug response.
The Police - Every Little Thing She Does Is Magic The Police - Every Little Thing She Does Is Magic
physics question number 5 - moving conductors physics question number 5 - moving conductors
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?
Frequency of Heterozygotes for Some Recessive Traits in Several Populations Frequency of Heterozygotes for Some Recessive Traits in Several Populations
The consequences of the intensity of natural selection on allele frequency. The consequences of the intensity of natural selection on allele frequency.
Video: Bone elongation - processes at the epiphyseal plate

For a complete list of videos, visit our video library