ch 1. (MOTION IN 1D) An object's position in the y-direction is given by: y(t) = At² + Bt+C where A = -5 m/s², B = 10 m/s, and C = 4 m. (a) At what time(s) does the object turn around? (b) At t = 2 s, is the object speeding up or slowing down?
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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Given
Position of object in y-direction given as -
y(t) = At2 + Bt + C
where A = -5 m/s2 , B = 10 m/s and C = 4 m
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