The position of a particle moving a long x- axis is given by x (t) =8 t²- 2t³, where x in meter and t in is in seconds. Find the acceleration at t = 3 .0 s. Select one: O A. -42.0 m/s? O B. 20.0 m/s2 O C. 6.0 m/s² O D. -20.0 m/s? O E. -6.0 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.
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