A ball is thrown vertically upward with a speed of 35.0 m/s, rises to a maximum height, and then falls, eventually striking the ground. (a) How high does the ball rise from its point of release? (b) How long does it take the ball to reach its highest position? (c) How long does it take the ball to strike the ground after it has reached its maximum height? (d) What is the ball’s velocity when it returns to the same height from which it was released.
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.
A ball is thrown vertically upward with a speed of 35.0 m/s, rises to a maximum
height, and then falls, eventually striking the ground.
(a) How high does the ball rise from its point of release?
(b) How long does it take the ball to reach its highest position?
(c) How long does it take the ball to strike the ground after it has reached its
maximum height?
(d) What is the ball’s velocity when it returns to the same height from which it
was released.
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