A boat floating in the sea, 300 m deep, medium wave, sound, Sonic pulse. Go out and get a signal reflected from the seabed in at 0.4 speed of sound in water is by how much.
One boat floating in a sea depth of 300 meters transmit pulse sound Sonic pulse out and get the signal back from the seabed at the speed of sound in 0.4 is how much.
A boat floats in the deep sea 300 meters send a pulse wave sound Sonic pulse out and received signal reflection from the seabed at 0.4 speed of sound in water is much.