A driver is traveling along a straight road at the speed limit V. After 2 min, she slows at a constant rate to a stop at a traffic light. Two minutes later the light turns green, and she accelerates at a constant rate back up to the speed limit. Five minutes later she again slows at a constant rate to a stop. After 3 min she performs a u-turn then accelerates at a constant rate back up to speed V. Two minutes later she reaches her destination and slows at a constant rate to a stop. Sketch a graph of velocity versus time that represents her trip
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.
A driver is traveling along a straight road at the speed limit V. After 2
min, she slows at a constant rate to a stop at a traffic light. Two minutes later
the light turns green, and she accelerates at a constant rate back up to the
speed limit. Five minutes later she again slows at a constant rate to a stop.
After 3 min she performs a u-turn then accelerates at a constant rate back up
to speed V. Two minutes later she reaches her destination and slows at a
constant rate to a stop. Sketch a graph of velocity versus time that represents
her trip
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