1. Jerry is standing on the edge of the roof of a building. He tosses a ball to his friend Tom who is standing on the ground. The ball followed the equation s(t) = - t2 + 6t + 18 for its path. If the ball had reached the highest peak 3.5 seconds after Jerry had thrown it, and Tom was able to catch the ball 9 seconds after it was released, determine the height of the building from 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.
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