Starting from rest at home plate, a baseball player runs to first base (90 ft away). He uniformly accelerates over the first 10.7 ft to his maximum speed, which is then maintained until he crosses first base. If the overall run is completed in 3.4 seconds, determine his maximum speed, the acceleration over the first 10.7 feet, and the time duration of the acceleration. t = 0 Answers: Vmax a = 10.7 t= i i i 79.3' t = 3.4 sec ft/sec ft/sec² sec
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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