we can not hear ultra sonic sounds because u can not hear them
You can.
no
Yes, if you're close by
No, the pilot does not hear the pressure wave that causes the boom when he is going faster than the speed of sound.
No. They were traveling faster than the sound waves which the aircraft created. Only people on the ground heard the sonic boom.
Those are ultra sonic planes. There is a sonic boom if it is traveling with sound speed.
The same way we do - by using their ears ! Bats use ultra-sonic sound which is higher than the range humans can hear - their 'squeaks' bounce off objects, and prey and are reflected back to the bat so it can navigate in total darkness.
no
You can.
Check whether your speakers are connected to your default soundcard.
You hear a sonic boom
Yes, if you're close by
No, the pilot does not hear the pressure wave that causes the boom when he is going faster than the speed of sound.
because you cant hear there
they only hear ultra sound. they are really big. And im just guessing.
No. They were traveling faster than the sound waves which the aircraft created. Only people on the ground heard the sonic boom.
Sound waves too high for humans to hear are called: ultrasonic