Question 10 A distance that a cart traveled was measured to be 4.81 m with an uncertainty of 0.214 m. The proper way to write this measurement with its uncertainty would be: O (5 ± 0.2) m (4.81 ± 0.214) m O (4.8 ± 0.2) m |(4.81 ± 0.21) m Question 11 A distance that a car traveled was measured to be 482 m with an uncertainty of 11 m. The proper way to write this measurement with its uncertainty would be: (4.8 x 102 ±0.1 × 10²) m O (480 ± 10) cm (482± 11) m (4.80 x 102 ±0.11 × 10²) m
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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