4. A particle starts from the origin at t=0 with a velocity of (161 - 12j) m/s and moves in the xy plane with a constant acceleration of a= (3.01 – 6.0ĵ) m/s². a. What is the position vector at any time t? b. Determine the direction (as measured from the positive x axis, counterclockwise) of the position at t=2s.
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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