15.C. Suppose that a car moves one-dimensionally along the x-axis and has position equation given by x = 15-2t2, velocity equation v= -4t, and acceleration equation a = -4 all in the standard metric units. a. Compute its position, velocity and acceleration at 2s b. If the positive direction of the axis is to the right, then state if the car is moving toward increasing position (right) or decreasing position (left) at 2s. c. Draw the car below and draw three vectors: position, velocity, and acceleration at 2s -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 10 meter 6
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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