avengers1999 avengers1999

21-03-2017
Physics

contestada

A truck is traveling at 74.5 kilometers per hour away from you. The driver is blowing the horn which has a frequency of 415 Hz. The speed of the sound is 346 m/s. What is the observed frequency of the sound? 346 Hz 392 Hz 415 Hz 441 Hz

Respuesta :

21-03-2017

[tex] \frac{415}{f} = \frac{346- \frac{745}{36} }{346+0} [/tex]
f=441.40

Answer Link

serinalynn04 serinalynn04

28-09-2020

Answer: option D is the answer!

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

15% of the students in Mr. Riley's social studies classes watch the local news every night. Mr. Riley found that 136 of the students do not watch the local news

Which word is the simple subject of the sentence? Whales are mammals that live in the ocean. A. mammals B. ocean C. whales D. live

Which describes the United States after the American Civil War? A. a united nation with a new system of government B. a united nation with no slavery C. a unite

Who was the first president of the American Federation of Labor? A. Samuel Gompers B. William Haywood C. Mother Jones D. Eugene Debs

State how the sun transfers energy to earth

Susan wants to buy a paddle boat for $840. She will pay 20% down and pay the rest in six monthly installments. What will be the amount of each monthly payment

Check my answer! Write the product as a trinomial. (m - 6)(m + 3) My answer: m^2 - 9m + 18

a gas had a volume of 50L and a temperature of 650k. if the temperature increased to 2600k, what would be the volume be?

How many children did Queen Anne have?

Ana has a poster board in the shape of a rectangle. She draws 1 line to cut the poster board into 2 new shapes. The 2 new shapes have 7sides and 7vertices in al