2. Consider a student sliding a ball horizontally back and forth along a chalkboard tray with the conventions that moving to the right is positive and moving to the left is negative. A graph of the ball's motion over time x(t) vs. t is shown. x(t) 24 1- (m) 1. A) What is the displacement of the ball over the interval from Os to 3s? -1+ -24 B) What is the displacement of the ball over the interval from Os to 9s? C) What is the average velocity of the ball over the interval from Os to 6s? D) What is the average velocity of the ball over the interval from 3s to 9s? E) What is the average speed of the ball over the interval from Os to 12s? D IMG-4848.jpg D IMG-4847.jpg D IMG-4846.jpg DIMG-4845.jpg 7°F lyp
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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