11. A disgruntled student in the back row of 1510 wishes to hit the professor standing at the front of the class in the back of the head with a spit ball. The professor stands 2 meters tall and the spit baller is sitting in an elevated seat, 5 meters above the floor the professor stands on. The horizontal distance from the spit baller to the professor is 12 meters. The time of flight of the spit ball is 0.8 seconds given an initial spit ball speed of 15m/s. Find the velocity of the spit ball when it is fired.
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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