The position of an object moving along the x -axis is given by x = 5.0m – 4.0 t m + 2.0 t2 How many times does this object pass through the point x=0? A. twice, first moving in the positive x-direction, then moving in the negative x-direction B. twice, first moving in the negative x-direction, then moving in the positive x-direction C. only once, moving in the positive x-direction D. only once, moving in the negative x-direction E. never
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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