how much time is required for a sound pulse to travel 2.56 m and back in air at 20 degrees Celsius?
https://urgentassignments.com/wp-content/uploads/2020/07/logo-2-300x75.png00adminhttps://urgentassignments.com/wp-content/uploads/2020/07/logo-2-300x75.pngadmin2020-07-28 20:35:532020-07-28 20:35:53how much time is required for a sound pulse to travel 2.56 m and back in air at 20 degrees…
