A log is floating on swiftly moving water. A stone is dropped from rest from a 75-m high bridge and lands on the log as it passes under the bridge. (a) What is the velocity of the stone when it lands on the log? (b) How long does it take the stone to reach the log? (c) If the log moves with a constant speed of 5.0 m/s, what is the horizontal distance between the log and the bridge when the stone is dropped?
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 log is floating on swiftly moving water. A stone is dropped from rest from a 75-m high bridge and lands on the log as it passes under the bridge. (a) What is the velocity of the stone when it lands on the log? (b) How long does it take the stone to reach the log? (c) If the log moves with a constant speed of 5.0 m/s, what is the horizontal distance between the log and the bridge when the stone is dropped?
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