A car has two horns having a difference in frequency of \( 180 \mathrm{~Hz} \). The car is appro...
Channel:
Subscribers:
451,000
Published on ● Video Link: https://www.youtube.com/watch?v=bjRCUCls79k
1A car has two horns having a difference in frequency of \( 180 \mathrm{~Hz} \). The car is approaching a sta-
\( \mathrm{P} \) tionary observer with a speed of \( 60 \mathrm{~ms}^{-1} \). Calculate
W the difference in frequencies of the notes as heard by the observer, if velocity of sound in air is 330 \( \mathrm{ms}^{-1} \).
(1) 220
(2) 110
(3) 100
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live