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Today's Terms
Raised Pavement Markers (R.P.M.)
Definition:
Non-reflectorized ceramic pavement markers, also known as "Bott's Dotts", are most often used to delineate travel lane lines. Reflectorized RPM's come in many different colors and are used to delineate travel lane lines and outside boundaries.
Linear Momentum
Definition:
A quantity associated with the motion of an object along a straight path. The linear momentum of an object is defined to be equal to its mass times its velocity.
Reference Point
Definition:
In angular momentum, the point in space around which the motion of an object is described. The angular momentum of an object is defined in relation to some point, the reference point. The velocity and radius of an object are measured from the reference point.
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