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.
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of v0 = 12.0 m/s. The cliff is h = 73.0 m above a flat, horizontal beach as shown in the figure.
a) How long after being released does the stone strike the beach below the cliff? ____ s
b) With what speed and angle of impact does the stone land?
|
vf
|
= ____ m/s |
| θ | =____ ° below the horizontal |
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