. An object will slow down only (a) its velocity and acceleration are both negative (b) its velocity is positive, and its acceleration is negative (c) its velocity is negative, and its acceleration is positive (d) either (b) or (c) is true Answe F. A car travels at a speed of 50 km/h for 0.50 h and then travels 100 km/h for 2.0 h. What is this car's average speed? (a) 90 km/h
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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