A woman bails out of an airplane at an altitude of 11,000 ft, falls freely for 25 s, then opens her parachute. How long will it take her to reach the ground? Assume linear air resistance v ft/s², taking p = 0.13 without the parachute and p = 1.3 with the parachute. (Suggestion: First determine her height above the ground and velocity when the parachute opens.) It will take her seconds to reach the ground. (Round to the nearest whole number as needed.)
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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