Geologists have learned of periods in thepast when the Strait of Gibraltar closed off, and the MediterraneanSea dried out and become a desert. Later, when the strait reopened,a massive saltwater waterfall was created. According to geologists,the water in this waterfall was supersonic; that is, it fell with speedsin excess of the speed of sound. Ignoring air resistance, what is theminimum height necessary to create a supersonic waterfall? (Thespeed of sound may be taken to be 340 m>s.)
Displacement, Velocity and Acceleration
In classical mechanics, kinematics deals with the motion of a particle. It deals only with the position, velocity, acceleration, and displacement of a particle. It has no concern about the source of motion.
Linear Displacement
The term "displacement" refers to when something shifts away from its original "location," and "linear" refers to a straight line. As a result, “Linear Displacement” can be described as the movement of an object in a straight line along a single axis, for example, from side to side or up and down. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Non-contact sensors such as LVDTs and other linear location sensors can calculate linear displacement. Linear displacement is usually measured in millimeters or inches and may be positive or negative.
Geologists have learned of periods in the
past when the Strait of Gibraltar closed off, and the Mediterranean
Sea dried out and become a desert. Later, when the strait reopened,
a massive saltwater waterfall was created. According to geologists,
the water in this waterfall was supersonic; that is, it fell with speeds
in excess of the speed of sound. Ignoring air resistance, what is the
minimum height necessary to create a supersonic waterfall? (The
speed of sound may be taken to be 340 m>s.)
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