particle moves according to a law of motion s = 2t^3 − 9t^2 + 12t + 1. a. Determine the velocity of the particle when it has acceleration of 2 m/s^2. b. When is the particle moving in a positive direction?
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.
A particle moves according to a law of motion s = 2t^3 − 9t^2 + 12t + 1.
a. Determine the velocity of the particle when it has acceleration of 2 m/s^2.
b. When is the particle moving in a positive direction?
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