Question

Calculate the depth of the sea bed assuming the speed of sound in sea water to be 1500 ms â’ 1

Answer 1

The weight is pulled back up and the distance from the surface mark to the weight is measured. This length equals the depth of the ocean at that point. This method of seafloor mapping is very time consuming, especially when charting deep water. The invention of sonar changed the way that the seafloor is mapped.