A car travel along a straight line at a constant speed of 60 mi/hr for a distance (d) and then another distance (d) in the same direction at another constant speed. The average velocity for the entire trip is 30 mi/hr. a.) What is the average speed with which the car moved during the second distance (d)? b.) What if the second distance (d) were traveled in the opposite direction and had to return home with the same speed as found in (a), what is the average velocity for the entire trip? c.) What is the average velocity for the new trip?

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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.