From a 90 m cliff above the ocean surface, a ball is thrown upward with an initial velocity of 40.0 m/s. (a) How long does it take for the ball to reach its maximum height? (b) What is the velocity of the ball 4 second after throwing the ball up? (c) What is the total traveled time from throwing the ball up, to the landing point on the ocean surface? (d) What is the velocity of the ball when it is at 30 m above the ocean surface?
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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