A TENNIS BALL IS THROWN STRAIGHT UP WITH AN INITIAL SPEED OF 22.5 M/S. IT IS CAUGHT AT THE SAME DISTANCE ABOVE THE GROUND. A. HOW HIGH DOES THE BALL RISE? B. HOW LONG DOES THE BALL REMAIN IN THE AIR? HINT: THE TIME IT TAKES THE BALL TO RISE EQUALS THE TIME IT TAKES TO FALL.
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.
SAMPLE PROBLEM 2 ( FREE FALL -
A TENNIS BALL IS THROWN STRAIGHT UP WITH AN INITIAL SPEED OF 22.5 M/S. IT IS CAUGHT AT THE SAME DISTANCE ABOVE THE GROUND.
A. HOW HIGH DOES THE BALL RISE?
B. HOW LONG DOES THE BALL REMAIN IN THE AIR? HINT: THE TIME IT TAKES THE BALL TO RISE EQUALS THE TIME IT TAKES TO FALL.
A.)Y = 26 M : B) T = 4.6 S
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