Question : The basic unit of speed of an object is ______.
Option 1: metre per km (m/km)
Option 2: metre per hour (m/h)
Option 3: metre per second (m/s)
Option 4: metre per minute (m/m)
Correct Answer: metre per second (m/s)
Solution : The correct answer is meter per second (m/s) .
Speed is the pace at which an object's position changes in any direction. The ratio of the object's distance travelled to its time travelled can be used to determine its speed. Since speed has no direction and only one direction, it is a scalar quantity. The speed unit is m/s.
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