A person initially at rest accelerates at a constant rate for specific amount of time. A motion detector tracks the person's displacement vs time. If you wanted to know how fast the person was traveling at an exact point in time, you could find the... The person's displacement divided by that time Area under the curve up to that point in time The person's current displacement multiplied by that time The slope of the line tangent to the curve at that tim
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.
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