A graph of position versus time for a certain particle moving along the x-axis is shown in the figure below. Find the instantaneous velocity at the following instants. х (m) 10 8. 4 2 t (s) 2 3 4 5 6 7 8 1. -2 -4 -6 (а) t = 1.00 s 5 m/s (b) t = 3.00 s -2.333 m/s (c) t = 4.50 s m/s (d) t= 7.50 s .266
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.
i need help with part b and d. i know that instantaneous velocity is the change in x over the change in t at a given instant. but i have tried that and i am still confused as why i am not arriving at the correct answer
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