A high school track coach has just purchased a new stopwatch. The stopwatch manual states that the stopwatch has anuncertainty of ±0.05 s . Runners on the track coach’s team regularly clock 100-m sprints of 11.49 s to 15.01 s . At theschool’s last track meet, the first-place sprinter came in at 12.04 s and the second-place sprinter came in at 12.07 s . Willthe coach’s new stopwatch be helpful in timing the sprint team? Why or why not?
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 high school track coach has just purchased a new stopwatch. The stopwatch manual states that the stopwatch has an
uncertainty of ±0.05 s . Runners on the track coach’s team regularly clock 100-m sprints of 11.49 s to 15.01 s . At the
school’s last track meet, the first-place sprinter came in at 12.04 s and the second-place sprinter came in at 12.07 s . Will
the coach’s new stopwatch be helpful in timing the sprint team? Why or why not?
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