A wildebeest is running in a straight line, which we shall call the x axis, with the positive direction to the right. The figure below shows this animal's velocity as a function of time. O AW Which of the following statements about the animal's motion must be true? 1. Its acceleration is increasing. 2. Its speed is decreasing from a to b and increasing from b to c. 3. It is moving to the right between a and b and to the left between b and c. 4. It is moving to the right between a and c.

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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.