A 'polish cannon' is used to launch a tennis ball upward at time t = 0.0 s, from a point on a roof 60 m above the ground. The tennis ball rises, then falls and hits the ground. Ignore air resistance. If the initial velocity of the ball is 37.9 m/s, then the total amount of time until the ball strikes the ground is closest to Group of answer choices A) 8.5 s B) 9.7 s C) 9.4 s D) 9.1 s E) 8.8 s
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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