Suppose a car is traveling at +19.9 m/s, and the driver sees a traffic light turn red. After 0.269 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
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.
Suppose a car is traveling at +19.9 m/s, and the driver sees a traffic light turn red. After 0.269 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s2. What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
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Suppose a car is traveling at +19.9 m/s, and the driver sees a traffic light turn red. After 0.269 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 5.00 m/s². What is the stopping distance of the car, as measured from the point where the driver first notices the red light?
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