Question

a submarine Dakota is pursuing another sub the Rushing Water, it uses a sonic pulse at 2.10 kHz to find range to Rushing Water. the sonic pulse hits the Rushing Water and the echo is measured by the Dakota 0.75 s after the initial sonic pulse. the measured frequency of the echo is 2.110 kHz. what is the distance between the two submarines and what is the speed of the Rushing Water? Dakota speed is 15.5 m/s and speed of sound in salt water is 1500 m/s.

Answer 1