An object moves along the x - axis, its position given byx(t)= 2t2. Which of the following cannot be obtained froma graph of x vs. t ? (a) The velocity at any instant (b) the accelerationat any instant (c) the displacement during some timeinterval (d) the average velocity during some time interval (e)the speed of the particle at any instant.
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.
An object moves along the x - axis, its position given by
x(t)= 2t2. Which of the following cannot be obtained from
a graph of x vs. t ? (a) The velocity at any instant (b) the acceleration
at any instant (c) the displacement during some time
interval (d) the average velocity during some time interval (e)
the speed of the particle at any instant.
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