Hugo and Big John are in a paw race. When Hugo is 22 m from the finish line, he has a speed of 4.0 m/s and is 5.0 m behind Big John, who has a speed of 5.0 m/s. Big John thinks he has an easy win and so, during the remaining portion of the race, decelerates at a constant rate of 0.50 m/s² to the finish line. What constant acceleration does Hugo now need during the remaining portion of the race, if he wishes to cross the finish line side-by-side with Big John?
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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