a. The speed of sound in sea water is 340 m/s.
The wavelength= speed/frequency=340/(600x10^3)= 5.67x10^-4 m
b. Since the echoes were detected 0.42s after the sound waves were emitted, it takes the sound waves 0.42/2=0.21s to reach the target.
So the depth=0.21x340=71.4 m
Content will be erased after question is completed.
Enter the email address associated with your account, and we will email you a link to reset your password.
Forgot your password?