A ball is thrown vertically upward from a roof 112 ft above the ground. The height ? of the ball above the roof is given by the equation s = 96t - 16t2 , where s in measured in feet and the time t in seconds. Calculate its velocity (fps) when it strikes the ground. A. -130 C. -126 B. -128 D. -124
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 ball is thrown vertically upward from a roof 112 ft above the
ground. The height ? of the ball above the roof is given by the
equation s = 96t - 16t2 , where s in measured in feet and the time t in seconds. Calculate its velocity (fps) when it strikes the ground.
A. -130 C. -126
B. -128 D. -124
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