22. The top of a cliff is located a distance H above the ground. At adistance H/2 there is a branch that juts out from the side of the cliff , andon this branch a bird’s nest is located. Two children throw stones at thenest with the same initial speed, one stone straight downward from thetop of the cliff and the other stone straight upward from the ground. In theabsence of air resistance, which stone hits the nest in the least amount oftime? (a) There is insuffi cient information for an answer. (b) Both stoneshit the nest in the same amount of time. (c) The stone thrown from theground. (d) The stone thrown from the top of the clif
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.
22. The top of a cliff is located a distance H above the ground. At a
distance H/2 there is a branch that juts out from the side of the cliff , and
on this branch a bird’s nest is located. Two children throw stones at the
nest with the same initial speed, one stone straight downward from the
top of the cliff and the other stone straight upward from the ground. In the
absence of air resistance, which stone hits the nest in the least amount of
time? (a) There is insuffi cient information for an answer. (b) Both stones
hit the nest in the same amount of time. (c) The stone thrown from the
ground. (d) The stone thrown from the top of the clif
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