amattatia amattatia

25-05-2018
Biology

contestada

Why does the frequency of a siren get higher as an ambulance using that siren gets closer?

Respuesta :

sandraaaT sandraaaT

25-05-2018

Well As the ambulance gets closer, the sound waves are compressed relative to the person; so the frequency increases.

Answer Link

Otras preguntas

Please help on this one ?

Is 3x+12-2x equivalent to x +12? Use two properties of operations to justify your answer.

most four year colleges look at all the following statistics on a students application except A: standardizes test scores B: IQ C: GPA D: class rank

What is Functional conditioning?

Which of these is an example of an internal factor which affects the Earth's climate? decrease in the Sun's energy changes in the shape of Earth's orbit incr

Marvin has piece of chain that is 3_5 12 feet long. He uses 2 1_3 feet of the chain for his art project. How much chain does marvin have left? A 1__1 12 feet ,

Salt water is best described as _______. A. a mixture B. a compound C. a pure substance D. an element Please help D:

Describe the methods used to disfranchise African American voters in the early 1900s. History help ASAP :) Thanks so much ! xo

Calculate the area of trapezium CDEF.

Mention any two freedoms provided under Right to Freedom