If an object is thrown upward and then caught at the same height from which it was thrown: What is the object's acceleration as it is rising, at maximum height, and as it is falling back down? How do the initial and final velocities compare? How does the time required for the upward trip compare to the time for the downward trip? What is the instantaneous velocity at maximum height? 2. A ball is kicked straight up from ground level at a velocity of 13
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.
If an object is thrown upward and then caught at the same height from which it was thrown:
- What is the object's acceleration as it is rising, at maximum height, and as it is falling back down?
- How do the initial and final velocities compare?
- How does the time required for the upward trip compare to the time for the downward trip?
- What is the instantaneous velocity at maximum height?
2. A ball is kicked straight up from ground level at a velocity of 13 m/s. Find:
- the maximum height
- the time at which the ball reaches maximum height
- the time required for the entire trip
- the ball's velocity just before it hits the ground upon returning
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