A train departs from station A and accelerates to 90 km/h over a 30 second period. It then maintains this speed for 2 minutes and 30 seconds The train decelerates steadily for 60 s to a new speed of 30 km/h for track works. The track work covers a 700 m stretch of line. After passing the track work, it decelerates for 10 seconds to a complete stop. a) How far has the train travelled? b) What was the trains average speed? |
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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