Use the graph to answer the following question. P Velocity (m/s) 3₂2 2 0 B 10 Time (s) On a graph of velocity versus time, what does the horizontal line, drawn between 4 to 6 seconds, represent? A the object's acceleration is positive the object's acceleration is negative C the object is moving at a constant velocity Dthe object is standing still
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.
![Use the graph to answer the following question.
Velocity (m/s)
6-
C
5-
0
D
0
2
4
6
Time (s)
8
On a graph of velocity versus time, what does the horizontal
line, drawn between 4 to 6 seconds, represent?
A the object's acceleration is positive
B the object's acceleration is negative
10
the object is moving at a constant velocity.
the object is standing still
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