Donald, a parachute jumper, is falling straight down towards a target on the ground at a constant speed of 12 m/s (note: the parachute is currently open --- this is not free-fall). When he is 2.0 km above his target, a sudden wind starts up, blowing 5.0 m/s due east. Assume that Donald continues to fall straight down at 12 m/s relative to the air, but not necessarily relative to the ground. a. Determine Donald's velocity (both magnitude and direction) relative to the ground. b. Assuming that the wind remains constant until Donald reaches the ground, how far away from the target does he land?
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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