15. A ball is thrown vertically upward with an initial speed of 25.0 m/s. a) How high does it rise above the position from where it was released? b) How long does it take to reach its highest point? c) What total time in the ball in the air for if returning to its initial elevation? d) What is its velocity when it returns to the position from which it was thrown Answers: (a) 31.9 m (b) 2.55 s (c) 5.10 s (d)-25.j
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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