5. The diagram represents the straight-line motion of a car. Which of the following statements is true? A) The car's speed increases, then it stops, and v(m/s) | reverses 12 B) The car accelerates at 6 m/s2 for the first 2 s C) The car is moving for a total time of 12 s D) The car accelerates at –12 m/s2 for the last 4 s E) The car returns to its starting point when t = 9 s t(s) 2 5 Problem Solving Jsing the graph in #5, (a) how far does the car travel between t = 2 s and t = 5 s? (b) What is the total distance
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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