How Many Seconds Would It Take an Echo Sounder's Ping

question 36

Multiple Choice

How many seconds would it take an echo sounder's ping to make the trip from a ship to the Challenger Deep (10,994 meters) and back? Recall that depth = 1/2 (1500 m/sec × Echo travel time) .

• A)0)1466 seconds
• B)1)466 seconds
• C)14.66 seconds
• D)146.6 seconds

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