Question

If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have

A. a period higher than the original period.
B. an amplitude lower than the original amplitude.
C. a frequency higher than the original frequency.
D. a pitch lower than the original pitch.

Answer 1

https://www.youtube.com/watch?v=ZPJyYaXhuv4

Answer 2

so does that make it C?

Answer 3

D.

Answer 4

thanks

Answer 5

yep

Answer 6

lol

Answer 7

D was wrong!!

Answer 8

yeah, i could C that coming a mile off.

Answer 9

so i was right in the begging?

Answer 10

beginning ***