A student throws a heavy red ball horizontally from a balcony of a tall building with an initial speed vo. At the same time, a second student drops a lighter blue ball from the same balcony. Neglecting air resistance, which statement is true? O The blue ball reaches the ground first. O The balls reach the ground at the same instant. O The red ball reaches the ground first. O Both balls hit the ground with the same speed. O None of the above statements are 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.
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