13. An object is dropped from the top of the Willis Tower (formerly called the Sears Tower) in Chicago. The table below gives the object's distance from the ground (the output) at a given time after it is dropped (the input). 1 2 3 4 5 6 7 1435 1387 1307 1195 1051 875 667 a. Estimate the number of seconds it takes the object to be 1000 feet above the ground. Time (sec.) Distance (ft.) b. The Willis Tower is 1451 feet tall. Approximately how many seconds will it take the object to be halfway to the ground? c. If you knew the symbolic rule for this input/output relation, how might your answers be improved?
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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