An oceanic vessel surveys the ocean floor using ultrasonic waves. the ocean beneath the boat is 4600 meters deep. if the ultrasonic wave travels to the bottom of the ocean and back to the boat in 6 seconds, what is its average speed?
a) 770 m/s
b) 1530 m/s
c) 7700 m/s
d) 27600 m/s
Answers: 1
Geography, 24.06.2019 06:10, kedjenpierrelouis
How does sea floor spreading relate to supercontinents?
Answers: 1
Geography, 24.06.2019 14:00, pupucitomarron
Need this asap : ( which type of wetland is most likely found in warm, forested areas? bogs swamps salt marshes inland marshes
Answers: 2
Geography, 24.06.2019 21:00, jentho2012
Where are most of the major earthquakes in relationship to the crustal plates?
Answers: 1
An oceanic vessel surveys the ocean floor using ultrasonic waves. the ocean beneath the boat is 4600...
English, 15.07.2019 19:40
English, 15.07.2019 19:40