A cyclist, starting from rest, travels in a straight line for 1010 minutes. During the first 2.0 min2.0 min of her trip, she maintains a uniform acceleration of 0.067 m/s2.0.067 m/s2. She then travels at constant velocity for the next 5.0 min.5.0 min. Next, she decelerates at a constant rate so that she comes to rest 3.0 min3.0 min later. Create a graph of the cyclist's velocity versus time that closely approximates her trip. The individual events of the trip are represented by the dots at the bottom of the graph. Move each dot to the appropriate velocity. Velocity (m/s)Time (min)012345678910-5-4-3-2-1012345678910 What is the acceleration ?lastalast during the last 3 min?
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 cyclist, starting from rest, travels in a straight line for 1010 minutes.
- During the first 2.0 min2.0 min of her trip, she maintains a uniform acceleration of 0.067 m/s2.0.067 m/s2.
- She then travels at constant velocity for the next 5.0 min.5.0 min.
- Next, she decelerates at a constant rate so that she comes to rest 3.0 min3.0 min later.
Create a graph of the cyclist's velocity versus time that closely approximates her trip. The individual events of the trip are represented by the dots at the bottom of the graph. Move each dot to the appropriate velocity.
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