The rope is not as accurate as the sonar. The rope can move due to the ocean currents.
so we dont kill fish
SONAR
Sonar.
No, a clinometer is not used to measure the depth of something. It is used to measure the angles of incline, slope, and elevation but not the actual depth.
A device to measure the tire's thread depth.
Depth
Measure the depth using a metric ruler!
You can use a penny for that. Put in between the threads then mark and measure the depth on the penny.
No, a calorimeter is not designed to measure depth. It is a device used to measure the amount of heat released or absorbed in a chemical reaction or physical process. To measure the depth of something, you would typically need a different type of instrument, such as a ruler, tape measure, or a depth gauge.
to calculate the depth of the ocean floor
To find out the ocean`s depth
ocean depth
Fathom which is six feet or two yards in depth .