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What is vertical speed?
Vertial Speed is final depth minus intitial depth divided by time
Will a bus and a car travel the same distance at a same speed in same time?
Yes. Time is a function of distance and speed, and independent of the method of achieving that speed over the distance. time = distance ÷ speed
What is a fathometer?
Basic Concept: Fathometer surveys determine water depths by repeatedly transmitting seismic energy through the water column and recording the arrival time of the reflected energy from the water bottom. The instrument calculates the water depth from these data and prints a depth value as a continuous graphic profile. Most fathometers use a narrow bandwidth 200 kHz seismic signal. They provide accurate depth information, but very little information about the subbottom. Fathometers that use a lower frequency, e.g., 20 kHz, can detect reflections from subbottom interfaces such as the bottom of an infilled scour hole.
Use of linear function in real life?
Your age is a linear function (of time).
What is the function of hourglass?
To measure time
