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.
What is the acceleration of a car whose speed
increases uniformly from 15 m/s to 25 m/s in 5s?
II. An airplane flying 60 m/s is accelerated uniformly at
the rate of 0.5 m/s
2. What is its velocity at the end of
10s?
III. A plane flying at 80 m/s is uniformly accelerated at
the rate of 2.0 m/s
2 . What is the distance it will travel
during a 10 s interval after acceleration begins?
IV. A stone dropped from a cliff hits the ground 3.00 s
later. Assuming the acceleration due to gravity is 9.81
m/s2 , find
a. the velocity of the stone the instant before it hits
the ground
b. the displacement experienced by the stone in
it’s fall
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