2. 11 II IV i) Rank the change in velocity from most negative to most positive. Explain your reasoning. ii) If the initial velocity of an object for each graph was 2 m/s, for which of these graphs could you use x = X, + Vgt +- at² to find the position of the object. Explain your reasoning.
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.
(i)
In first a-t graph, the acceleration is decreasing with time. In second a-t graph, the acceleration is increasing with time. In third a-t graph, the acceleration is increasing negatively with time and in last a-t diagram, the acceleration is negative and constant with time.
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