An object is moving along the x axis and an 18.0 s record of its position as a function of time is shown in the graph. X (m) 32 20 t (s) 6 9 12 15 18 (a) Determine the position x(t) of the object at the following times. t = 0.0, 3.00 s, 9.00 s, and 18.0 s x(t = 0) = x(t = 3.00 s) = x(t = 9.00 s) = m x(t = 18.0 s) = (b) Determine the displacement Ax of the object for the following time intervals. (Indicate the direction with the sign of your answer.) At = (0 → 6.00 s), (6.00 s → 12.0 s), (12.0 s → 18.0 s), and (0 → 18.0 s) Ax(0 → 6.00 s) = Ax(6.00 s → 12.0 s) = m Ax(12.0 s → 18.0 s) = Ax(0 → 18.00 s) = E E E E
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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