A ball is thrown straight upward with an initial velocity of +7.3 m>s. If the accelerationof the ball is downward, with the value -9.81 m>s2, find the velocity of the ball after(a) 0.45 s and (b) 0.90 s.
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 straight upward with an initial velocity of +7.3 m>s. If the acceleration
of the ball is downward, with the value -9.81 m>s2
, find the velocity of the ball after
(a) 0.45 s and (b) 0.90 s.
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