Please help
Dear Student ,
Here i a link which will help you to solve this question with proper explanation .
https://www.meritnation.com/ask-answer/question/a-car-moving-at-a-speed-of-72-km-hr-sounds-its-whistle-which/oscillations/8859219
Regards
Here i a link which will help you to solve this question with proper explanation .
https://www.meritnation.com/ask-answer/question/a-car-moving-at-a-speed-of-72-km-hr-sounds-its-whistle-which/oscillations/8859219
Regards