A golf ball with an initial speed of 58.0 m/s lands exactly 140 m downrange on a level course. (a) Neglecting air friction, what two projection angles would achieve this result? 0₁ = • above the ground (smaller angle) 0₂= • above the ground (larger angle) (b) What is the maximum height reached by the ball, using the two angles determined in part (a)? m using 8₁ using 82 m
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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