Which of the following is INCORRECT about projectile motion with the same initial and final elevations? a. The total time of flight is twice the time to reach the maximum height. b. The magnitude of the acceleration at the maximum height is 9.8 m/s2. c. At its maximum height, the velocity of the projectile is zero. d. Only the vertical component of the motion is accelerating.
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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