The graph shows how the speed of an object varies with time. velocity/m s¹ 30 C D 20 10- 2 3 4 time/s Which of the following is correct? A The average speed of the object during the first 4 seconds is 20 m s-¹. B The acceleration of the object during the first second is 20 m s². The deceleration of the object is 10 m s-². The object is traveling at a constant speed during the last second.
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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