You are following a car on the interstate, both moving 30 m/s together. The other car starts to brake at 3 m/s2. You react 1.5 seconds later. 1. First, circle the known quantities based on the problem statement: (a) Ar, your displacement relative to the other car (b) v₁, your initial velocity relative to the other car (c) vy, Your velocity relative to the other car after some time (d) a, your acceleration relative to the other car (e) At, Change in time 2. By the time you react 1.5 seconds later, how much faster than the other car are you moving? Credit given for process, as the answer is given in the next problem. 3. By the time you react 1.5 seconds later, how much closer to the other car are you than you were before?

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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.