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.
Cars A and B are traveling at vA=116 km/hr and vB=108 km/hr respectively when the driver of Car B applies the brakes abruptly causing the car to slide to a stop, see Figure Q1. Take the coefficient of friction for the road to be 0.8.
Suppose the driver of Car A takes 1.5 seconds to react to the situation and applies his brakes causing Car A to slide as well. Given Car A has the same deceleration as Car B calculate the minimum distance, d between A and B at the time Car B starts sliding, to avoid a car crash.
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