A tourist is driving a car along a straight road at a constant speed of 21.0 m/s. Just as she passes a law officer parked along the side of the road, the officer starts to accelerate 1.00 m/s? to overtake her. Assume that the officer maintains this acceleration. (a) From the moment the tourist passes the officer, determine the time it takes the officer to reach the tourist (in s). (b) Find the speed of the officer as he overtakes the tourist (in m/s). m/s (c) Find the total displacement of the officer as he overtakes the tourist (in m). (d) What If? Determine the answers to parts (a) through (c) of the problem, if instead of accelerating at the same instant the car passes him, the officer instead begins his acceleration 1.00 s after the car passes him. (Enter the time in s, speed in m/s, and displacement in m.) time speed m/s displacement m
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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