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All are examples of speed except ______

-5 miles per hour
-6 miles per hour north
-125 meters per second

User Chefes
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1 Answer

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Speed is a derived term that is the result when distance or displacement is divided by unit time. Speed is a scalar unit which means it only includes magnitude not direction, thus always positive. The answer thus are the three choices given above. 
User KBJ
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