A golf ball is dropped from rest from a height of 10.0 m. It hits the pavement, then bounces back up, rising just 6.0 m before falling back down again. A boy then catches the ball on the way down when it is 2.0 m above the pavement. Ignore air resistance. a. What is the velocity at which the golf ball hits the ground? b. What is its velocity at 6.0 m? c. Find out the ball's velocity when the boy catches it. d. Calculate the total amount of time that the ball is in the air, from drop to catch.
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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