While standing on top of a 50.0 m tall building, you discover a friend standing on the street corner. Using a protractor and a plumb line, he finds that the angle between the horizontal and the direction toward the point on the sidewalk where his friend is standing is 25.0°. His eyes are located 1.75 m above the top of the building. How far from the building level is his friend?
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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