A ball is thrown upward from the top of a 50-meter-high building with an initial speed of 25 m/s. a) How much time does it take to reach the ground? b) What velocity does it have when it reaches the ground?
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 upward from the top of a 50-meter-high building with an initial speed of 25 m/s.
a) How much time does it take to reach the ground?
b) What velocity does it have when it reaches the ground?
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I don't understand your answer. so you started answer question b before question a ? also isn't the initial velocity should be V0 = 25 m/s ?
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