An elevator is initially moving upward at a speed of 13 m/s. The elevator experiences a constant downward acceleration of magnitude 3.5 m/s2 for 2.5 s. You will be asked to find the elevator's final velocity. What are the givens? Group of answer choices a = -3.5 m/s2, v0 = 13 m/s, t = 2.5 s a = 3.5 m/s2, v0=13 m/s, t = 2.5 s a = 3.5 m/s2, v0=13 m/s, vf = 0 m/s a = -3.5 m/s2, vf=0 m/s, t = 2.5 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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