P1 On the bank of a large lake a boy is playing with his dog. The dog starting from the boy (from point G) wants to reach the ball (point L) thrown in the lake within the shor- test time interval (see the figure). Give this shortest time if the dog can run on the bank of the lake with a speed of 3 m/s, and can swim in the lake with 2 m/s. bank 20 m lake L 16 m
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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