Jeremy kicks a soccer ball along the ground. The ball starts with an initial speed of 10.0 meters per second and comes to to friction after 5.0 seconds. Which of the following graphs could represent the soccer ball's speed through time? 12 6. 10 8. 2. 1 2 4 20 40 60 80 Time (s) Time (s) Speed (m/s) Speed (m/s)
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.
The graph for speed time shows the distance covered by the object, since any object that is kicked comes to rest, thus the graph formed will be declining graph.
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