• A car of mass m accelerates from rest along a level, straight track, not at constant accler- ation, but with constant engine power P. Assume that air resistance is negligible. (a) Find the velocity of the car as a function of time. (b) A second car starts from rest alongside the first car, on the same track, but maintains a constant acceleration. Which car takes the initial lead? Does the second car overtake it? If yes, write a formula for the distance from the starting point at which this happens.
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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