Concept explainers
To Explain:Streets and highway have speed limits rather than velocity limits.
Explanation of Solution
Introduction:
The rate at which the position of an object changes with in an interval of time is referred as velocity. Speed is a measure of distance covered in an interval of time. It is independent of the reference to direction because it is a scalar quantity unlike velocity.
The highways and streets roads don’t have a unique direction. The roads don’t have a specific straight line direction. These roads have curves and bends. Velocity is a component of having magnitude and directionboth while the speed is the quantity of magnitude alone without direction.
Conclusion:
Hence,speed limits are displayed but not the velocity limit on the signboard.
Chapter 2 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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