An object is dropped straight down from a helicopter. The object falls faster and faster but its acceleration (rate of change of its velocity) decreases over time because of air resistance. The acceleration is measured in ft/sec and recorded every second after the drop for 6 sec, as shown. Find the following estimates. * 1 2 3 4 5 6. a 32.00 19.41 11.77 7.14 4.33 2.63 1.59 a. Find an upper estimate for the speed whent%36. ft/sec b. Find a lower estimate for the speed when t= 6. ft/sec c. Find an upper estimate for the distance fallen when t = 3. ft
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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