A world-class sprinter accelerates to his maximum speed in 4.0 s. He then maintain this speed for the remainder of a 100-m race, finishing with a total time of 9.1 s (a) what is the runner’s average acceleration during the first 4.0 s? (b) what is his average acceleration during the last 5.1 s (c) what is his average acceleration for the entire race
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 world-class sprinter accelerates to his maximum speed in 4.0 s. He then maintain this speed for the remainder of a 100-m race, finishing with a total time of 9.1 s (a) what is the runner’s average acceleration during the first 4.0 s? (b) what is his average acceleration during the last 5.1 s (c) what is his average acceleration for the entire race?
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