The figure at right shows position-time graphs of two cars as they move along the same axis. Answer the following questions. a. What is the magnitude of the velocity of car C? b. Is the magnitude of the velocity of car D greater than, less than, or equal to that of car C? c. The equation for the position of car C as a function of time is given by x = mt + b. Determine the values and units of m and b. d. Assuming the cars continue to move in the same manner for 2 hours, what is the position of car C at t =
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.
The figure at right shows position-time graphs of two cars as they move along the same axis. Answer the following questions.
a. What is the magnitude of the velocity of car C?
b. Is the magnitude of the velocity of car D greater than, less than, or equal to that of car C?
c. The equation for the position of car C as a function of time is given by x = mt + b. Determine the values and units of m and b.
d. Assuming the cars continue to move in the same manner for 2 hours, what is the position of car C at t = 1 h.
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