9. A position-time graph for a particle moving along the x axis is shown in Figure P2.9. (a) Find the average velocity in the time interval t = 1.5 s to t = 4.0 s. (b) Determine the instantaneous velocity at t = 2.0 s by measuring the slope of the tangent line shown in the graph. (c) At what value of t is the velocity zero?
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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