18. A car starts from rest and travels in a straight line with a constant acceleration of 7.00 m/s^2. After a time of 5.00 s, which of these expressions yields how far the car traveled from its starting point in meters? a. 7.00 times 5.00 b. ½ times 7.00 times 5.00^2
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.
| a. |
7.00 times 5.00
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| b. |
½ times 7.00 times 5.00^2
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