You are driving through town at 12.0 m>swhen suddenly a ball rolls out in front of you. You apply the brakesand begin decelerating at 3.5 m>s2. (a) How far do you travel beforestopping? (b) When you have traveled only half the distance inpart (a), is your speed 6.0 m>s, greater than 6.0 m>s, or less than6.0 m>s? (c) Find the speed of your car when you have traveled halfthe distance in part (a)
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.
You are driving through town at 12.0 m>s
when suddenly a ball rolls out in front of you. You apply the brakes
and begin decelerating at 3.5 m>s2
. (a) How far do you travel before
stopping? (b) When you have traveled only half the distance in
part (a), is your speed 6.0 m>s, greater than 6.0 m>s, or less than
6.0 m>s? (c) Find the speed of your car when you have traveled half
the distance in part (a)
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