A student throws a heavy red ball horizontally from a balconyof a tall building with an initial speed v0. At the same time,a second student drops a lighter blue ball from the samebalcony. Neglecting air resistance, which statement is true?(a) The blue ball reaches the ground first. (b) The balls reachthe ground at the same instant. (c) The red ball reaches theground first. (d) Both balls hit the ground with the samespeed. (e) None of statements (a) through (d) is true.
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 throws a heavy red ball horizontally from a balcony
of a tall building with an initial speed v0. At the same time,
a second student drops a lighter blue ball from the same
balcony. Neglecting air resistance, which statement is true?
(a) The blue ball reaches the ground first. (b) The balls reach
the ground at the same instant. (c) The red ball reaches the
ground first. (d) Both balls hit the ground with the same
speed. (e) None of statements (a) through (d) is true.
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