a sonic tape measure is used to measure the length of a room.it measures a time interval of 0.06 s between transmitting a sound pulse and recieving the echo .the speed if sound in air is 330 m/s.how far is the reflecting wall from the tape measure?????? explain step by step......
Hi,
The sonic tape measures the time interval of 0.06 s between transmitting a sound pulse and receiving the echo.
So, the time taken by the sound pulse to reach the wall of the room =
Speed of sound in air is = 330 m/s
We know,