Lead Weight
sonar
Depth is a measure of distance between the surface and the ocean floor.
Sonar.
'Sonar". And determines depth. The ocean floor topography can be mapped by 'sonar scanning'.
magnetometer
Yes, if the upper floor joists are deep enough to install the pot light enclosures. Measure the depth of the joists and then take that measurement to the store supplying the fixtures to see what will fit into that joist depth.
None. A gallon is a measure of volume in 3 dimensional space. The dimensions of the pool that are given suggest that it has a length and breadth but no depth. Without a depth it can have no volume.
They pay the divers to go to the end of the ocean and measure the ocean floor depth before divers dive they take a long endless string keep it up the surface then take it al the way down and cut to where it ends so that when they are finished they measure
to calculate the depth of the ocean floor
because of the sea floor
sound waves can penetrate the ocean floor.
its ranges from about 183 meters down to the floor its ranges from about 183 meters down to the floor
Does this room have depth? Or do you just want the square feet of the floor? By 6x6 do you mean 6'x6', what unit of measure are those 6's? If the unit of measurement of those 6's are feet, then the floor would be 6 square feet.