Question:

1 A sound source emits a frequency 1800 Hz and moves along a

Last updated: 6/21/2023

1 A sound source emits a frequency 1800 Hz and moves along a

1 A sound source emits a frequency 1800 Hz and moves along a straight line at a distance 250m from a stationary observer If the speed of source is 0 8 times the speed of sound find the frequency heard by the observer when the source is closest to him a 4000 Hz b 2000 Hz c 5000 Hz d 3000 Hz