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.
Figure P2.43 represents part of the performance data of a car owned by a proud physics student, (a) Calculate the total distance traveled by computing the area under the redbrown graph line, (b) What distance does the car travel between the times t = 10 s and t = 40 s? (c) Draw a graph of its acceleration versus time between t = 0 and t = 50 s. (d) Write an
equation for x as a function of time for each phase of the motion, represented by the segments 0a, ab, and bc. (e) What is the average velocity of the car between t = 0 and t = 50 s?
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